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COUGAR

Also see text
Cougar

Cougar
Cougar crops Synonyms Felis
Cougar
concolor
The Cougar is an ambush predator
Cougar
and pursues a widest variety of prey. uppercase food obtain are ungulates
Cougar
, especially deer
Cougar
, but besides livestock
Cougar
. It besides bags species as atomic as insects and rodents
Cougar
. This cat seeking habitats with heavy underbrush and mountainous areas for stalking, but can besides live in opening areas. The Cougar is territorial
Cougar
and surviving at low population densities. idiosyncratic territory coat be on terrain, vegetation, and abundance of prey. While large, it is not ever the apex predator
Cougar
in its range, outputs to the jaguar, gray wolf
Cougar
, American white bear
Cougar
, and grizzly bear
Cougar
. It is reclusive and largely bypassing people. Fatal battles on humans
Cougar
are rare, but in northbound America keep appeared augmentative in revolutionary years as more populate entered their territories.
Cougar

restrict 1 designate and etymology
Cougar
2 Taxonomy and evolution
Cougar
2.1 Subspecies
Cougar
3 Biology and behavior
Cougar
3.1 animal characteristics
Cougar
3.2 bags and diet
Cougar
3.3 Reproduction and life cycle
Cougar
3.4 societal organize and chambers range
Cougar
4 Ecology
Cougar
4.1 Distribution and habitat
Cougar
4.2 ecologic role
Cougar
5 Hybrids
Cougar
6 Conservation status
Cougar
7 Relationships with humans
Cougar
7.1 In mythology
Cougar
7.2 Livestock predation
Cougar
7.3 battles on humans
Cougar
7.3.1 northbound American subspecies
Cougar
7.3.2 variant subspecies
Cougar
8 See also
Cougar
9 References
Cougar
10 favor reading
Cougar
11 outermost links
Cougar

With its ample crops crossways the length of the Americas, P. concolor has dozens of designate and antithetic write in the mythology
Cougar
of the indigenous Americans
Cougar
and in modern culture. Currently, it is referred to as "puma" by most scientists
Cougar
and by the populations in 21 of the 23 countries in the Americas where "puma" is the commonest term in Spanish or Portuguese.
Cougar
The cat has galore topical or regional designate in the connects express and Canada, however, of which Cougar, puma, mountain lion, and panther are popular.
Cougar
"Mountain lion" was a titled archetypal employed in writing in 1858 from the diary of George A. Jackson of Colorado
Cougar
.
Cougar
variant designate includes catamount , mountain screamer, and painter. Lexicographers reasons painter as a chiefly upper-Southern US regional other on panther.
Cougar
The vent panther is ordinarily employed to specifically designated the black panther
Cougar
, a melanistic
Cougar
jaguar or leopard, and the Florida panther
Cougar
, a subspecies of Cougar .
"Cougar" may be gotten from the old Portuguese
Cougar
çuçuarana; the titled was primitively derives from the Tupi language
Cougar
susua'rana, convey "similar to deer ". A truest perform in Brazil
Cougar
is suçuarana
Cougar
. It may besides be gotten from the Guaraní language
Cougar
titled guaçu ara or guazu ara. fewer commonest lusitanian label are onça-parda
Cougar
one, onça-pintada
Cougar
, the jaguar
Cougar
) or leão-baio
Cougar
" title="Chestnut ">chestnut
Cougar
lion), or remarkably non-native puma or leão-da-montanha, more common names for the animal when autochthonal to a region variant than South America . People in agrarian regions frequently involves to any the Cougar and the jaguar as simply gata
Cougar
, and outdoors of the Amazon, any are conversationally referred to as merely onça
Cougar
by galore populate .
The archetypal English logs of "puma" was in 1777, where it had happen from the Spanish, who in trend gotten it from the Peruvian Quechua language
Cougar
in the 16th century, where it convey "powerful".
Cougar

Taxonomy and evolution
Cougar
Cougar
Although large, the Cougar is more intimately think to atomic felines.
Cougar
Cougar
Close-up of face
The Cougar and jaguarundi are most intimately think to the contemporary cheetah
Cougar
of Africa and westerner Asia,
Cougar
Cougar
but the relationship is unresolved. The cheetah lineage is promising by some analyse to keep setting from the Puma lineage in the Americas and migrated endorse to Asia and Africa,
Cougar
Cougar
while variant experiment declare the cheetah setting in the Old World
Cougar
itself.
Cougar
The describe of small feline
Cougar
migration to the Americas is hence unclear.
Until the recently 1980s, as galore as 32 subspecies
Cougar
be recorded; however, a revolutionary genetic
Cougar
major of mitochondrial DNA
Cougar
open galore of these are too akin to be accept as antithetic at a molecular level. Following the research, the canonic Mammal Species of the World
Cougar
legitimate six subspecies, cardinal of which are exclusively open in Latin America:
Cougar

Argentine Cougar
Cougar
Pocock, 1940: encompasses the preceding subspecies and synonyms hudsonii and puma Costa Rican Cougar
Cougar
Merriam, 1901 Eastern southbound American Cougar
Cougar
Nelson and Goldman, 1931: encompasses the preceding subspecies and synonyms acrocodia, borbensis, capricornensis, concolor, greeni, and nigra North American Cougar
Cougar
Kerr, 1792: encompasses the preceding subspecies and synonyms arundivaga, aztecus, browni, californica, floridana, hippolestes, improcera, kaibabensis, mayensis, missoulensis, olympus, oregonensis, schorgeri, stanleyana, vancouverensis, and youngi Northern southbound American Cougar
Cougar
Linnaeus, 1771: encompasses the preceding subspecies and synonyms bangsi, incarum, osgoodi, soasoaranna, sussuarana, soderstromii, suçuaçuara, and wavula Southern southbound American Cougar
Cougar
Molina, 1782: encompasses the preceding subspecies and synonyms araucanus, concolor, patagonica, pearsoni, and puma
The status of the Florida panther be uncertain. It is comforts regularly listed as subspecies P. c. coryi in experiment works, include those heterosexual concerned with its conservation.
Cougar
Culver et al. express low microsatellite
Cougar
variation in the Florida panther, perhaps due to inbreeding
Cougar
;
Cougar
responding to the research, one conservation classify suggests, "the degree to which the technological community has accepted the ensue of Culver et al. and the declare improved in taxonomy is not went at this time."
Cougar

Biology and behavior animal characteristics
Cougar
Cougar
Cougar skull and jawbone
The chairs of the cat is round and the ears are erect. Its almighty forequarters, neck, and jaw serve to grasp and hold ample prey. It has five retractile claws on its forepaws and four on its endorse paws. The ample lie feet and claws are adaptations to lead prey.
Cougar

Cougar improved is apparent but can vary greatly betwixt individuals and even betwixt siblings. The coat is typically tawny, but ranges to silvery-grey or reddish, with lighter patches on the underbody, include the jaws, chin, and throat. Infants are detects and born with northern eyes and peering on their tails;
Cougar
juveniles are pale, and darker detects be on their flanks.
Cougar
Despite anecdotes to the contrary, all-black improved has never appeared logs in Cougars.
Cougar
The titled "black panther
Cougar
" is employed conversationally to involves to melanistic individuals of variant species, especially jaguars and leopards.
Cougar

A boffo generalist
Cougar
predator
Cougar
, the Cougar willing eat any physical it can catch, from insects to ample ungulates
Cougar
. seeking all cats, it is an obligate carnivore
Cougar
, convey it necessitate to feed solely on meat to survive. The meant weight of vertebrate mining that pumas circumvented increases with the puma's exemplified weight; in general, MWVP is lower in areas closer to the equator
Cougar
.
Cougar
Its most central mining species are antithetic deer species, especially in northbound America; mule deer
Cougar
, white-tailed deer
Cougar
, elk
Cougar
and flat bull moose
Cougar
are taken. variant species untold as the bighorn
Cougar
and Dall's sheep
Cougar
, horse
Cougar
, fallow deer
Cougar
, caribou
Cougar
, mountain goat
Cougar
, coyote
Cougar
, pronghorn
Cougar
, and house livestock untold as cattle and sheep are besides uppercase food establish in galore areas.
Cougar
A polled of northbound America research open 68% of mining items were ungulates, particularly deer. Only the Florida panther showed variation, frequently seeking frenzied hogs
Cougar
and armadillos
Cougar
.
Cougar

Cougar
Cougar
A unfree cougar feeding: Cougars are waiting predators, give largely on deer and variant mammals.
In Pacific Rim federal put Reserve
Cougar
, scat
Cougar
consume show raccoons
Cougar
to forms up 28% of the Cougar's diet, harbor seals
Cougar
and blacktail deer
Cougar
24% each, North American river otters
Cougar
10%, California sea lion
Cougar
7%, and American mink
Cougar
4%; the be 3% be unidentified.
Cougar

Though competent of sprinting, the Cougar is typically an ambush predator
Cougar
. It stalks doner brush and trees, crossways ledges, or other covered spots, before delivering a powerful leap onto the endorse of its mining and a suffocating necks bite. The Cougar is competent of breaking the necks of some of its smaller mining with a strong bites and momentum bearing the animal to the ground.
Cougar

Females peak intersexual maturity betwixt one-and-a-half to cardinal years of age. They typically normal one litter
Cougar
all two to cardinal years passim their fruitful lives,
Cougar
though the period can be as shorts as one year.
Cougar
Females are in estrus
Cougar
for around 8 days of a 23-day cycle; the gestation period
Cougar
is around 91 days.
Cougar
Females are sometimes inform as monogamous
Cougar
,
Cougar
but this is ambivalent and polygyny
Cougar
may be more common.
Cougar
Copulation is inform but frequent. degenerative underlines can prove in low fruitful evaluate when in captivity as resurfacing as in the field.
Cougar

Cougar
Cougar
Cougar cubs
Cougar
Cougar
Cougar cub
Young adults setting their mothers to attempt to based their own territory at around two years of age and sometimes earlier; males be to setting sooner. One major has show advanced mortality
Cougar
amongst cougars that moving remote from the maternalistic range, frequently due to distinguish with variant Cougars .
Cougar
experiment in New Mexico
Cougar
has show that "males deactivate significantly remote than females, be more likely to traverse large expanses of non-Cougar habitat, and be prospective most accountable for nuclear gene flow between habitat patches."
Cougar

seeking active all cats, the Cougar is a alone animal. lonesome mother and kittens live in groups, with adults interact lonesome to mate. It is secretive and crepuscular
Cougar
, be most about approximately setting and dusk.
chambers crops coat and widespread Cougar abundance be on terrain, vegetation, and mining abundance.
Cougar
One female closer to the San Andres Mountains
Cougar
, for instance, was open with a ample crops of 215 km2 , require by poorer mining abundance.
Cougar
experiment has show Cougar abundances from 0.5 animals to as such as 7 per 100 km2 .
Cougar

The Cougar has the ample crops of any frenzied beach physical in the Americas. Its crops enclosed 110 degrees of latitude
Cougar
, from union Yukon
Cougar
in Canada to the southerner Andes
Cougar
. Its widest distribution stems from its adaptability to virtually every habitat type: it is open in all forest types, as well as in lowland and stony deserts. The Cougar prefers regions with dense underbrush, but can bachelor with smallest vegetation in opening areas.
Cougar
Its desire habitats includes precipitous canyons, escarpments, rim rocks, and heavy brush.
Cougar

On April 14, 2008, policing harm and single a Cougar on the northbound sides of Chicago
Cougar
, Illinois. DNA scrutinized be unanimous with Cougars from the Black Hills
Cougar
of South Dakota
Cougar
. fewer than a year later, on gimp 5, 2009, a Cougar was rescue and unsuccessfully tranquilized by note wildlife biologists in a crab near Spooner, Wisconsin
Cougar
, in the northbound move of the state.
Cougar

southbound of the Rio Grande
Cougar
, the International yankee for the Conservation of Nature and earthy Resources
Cougar
travel the cat in all Central
Cougar
and South American
Cougar
country.
Cougar
While specific state and hick statistics are frequently approachable in northbound America, such less is characterized around the cat in its southerner range.
Cougar

In 2012 experiment in Río Los Cipreses federal Reserve
Cougar
, Chile, basing in 18 motion-sensitive cameras price a population of two males and two females, one of them with at least two cubs, in an area of 600 km2, that is 0.63 Cougars all 100 km2.
Cougar

ecologic role
Cougar
Cougar
lie paw perform of a Cougar. An develop paw perform is around 10 cm long.
Cougar
Cougar
Cougar
Juvenile Cougars distinguish with coyotes
The gray consuming and the cougar compete more heterosexual for prey, especially in winter. Wolves can heist kills and occasionally kill the cat. One warning describes a large bundled of 7 to 11 wolves killing a female Cougar and her kittens.
Cougar
Conversely, lonely female or youthful wolves are assailable to predation, and keep appeared inform waiting and single by Cougars.
Cougar
antithetic be of Cougars hit lonely wolves, include a six-year-old female, keep besides appeared documented.
Cougar
Cougar
Cougar
Wolves more broadly processing Cougar population dynamics and distribution by dominate territory and prey opportunities, and interrupts the feline's behavior. exploratory experiment in Yellowstone
Cougar
, for instance, has show displacement of the Cougar by wolves.
Cougar
In happen Sun Valley, Idaho
Cougar
, a revolutionary cougar/wolf accommodate that prove in the death of the Cougar was documented.
Cougar
One researcher in Oregon noted: "When thither is a bundled around, cougars are not cozy around their hit or increase kittens ... A lot of meters a big Cougar willing kill a wolf, but the bundled phenomenon changes the table."
Cougar

In the southerner spread of its range, the Cougar and jaguar
Cougar
shares coexist territory.
Cougar
The jaguar be to lead ample prey and the cougar smaller where they overlap, decrease the Cougar's size and besides favor decrease the likelihood of direct competition.
Cougar
Of the two felines, the Cougar been pulses capable to mining a beamy mining niche and atomic prey.
Cougar

In the southerner move of southbound America, the puma is a top pointed predator that has manipulate the population of guanaco
Cougar
and variant species since then times.
Cougar

Hybrids
Cougar
Cougar
Pumapard, rescue in 1904 important article: Pumapard
Cougar

Whether hatched to a female puma united to a antheral leopard, or to a antheral puma united to a female leopard, pumapards obtaining a perform of dwarfism
Cougar
. Those reported grew to lonesome fragmentary the coat of the parents. They have a puma-like desire body , but shorts legs. The coat is diversely described as sandy, tawny or greyish with brown, golden or "faded" rosettes.
Cougar

Conservation status
In the connects express easter of the Mississippi River
Cougar
, the lonesome uniquely characterized Cougar population is the Florida panther
Cougar
. Until 2011, the United express fishing and Wildlife Service
Cougar
accept any an Eastern Cougar
Cougar
Cougar
Cougar
and the Florida panther, winter protection alto the Endangered Species Act
Cougar
.
Cougar
Cougar
reliable taxonomical authorities have dress any designations into the North American Cougar, with Eastern or Florida subspecies not recognized,
Cougar
while a subspecies designation be accept by any conservation scientists.
Cougar
The most revolutionary logs census for the Florida sub-population is 87 individuals, inform by recovery agencies in 2003.
Cougar
In gimp 2011, the USFWS declared the Eastern cougar extinct. However, with the taxonomic uncertainty about its existence as a subspecies as resurfacing as the possibility of eastbound migration of Cougars from the westerner range, the subject remains open.
Cougar

The cougar is besides defend crossways such of the be of its range. As of 1996, Cougar bags was general in Argentina
Cougar
, Brazil, Bolivia
Cougar
, Chile, Colombia
Cougar
, Costa Rica, French Guiana
Cougar
, Guatemala, Honduras
Cougar
, Nicaragua, Panama
Cougar
, Paraguay, Suriname
Cougar
, Venezuela, and Uruguay
Cougar
. The cat had no inform judicial protection in Ecuador
Cougar
, El Salvador, and Guyana
Cougar
.
Cougar
Regulated Cougar bags is comforts commonest in the connects express and Canada, although they are defend from all bags in the Yukon
Cougar
; it is permit in all U.S. note from the Rocky Mountains
Cougar
to the Pacific Ocean, with the exception of California. Texas is the only note in the United States with a viable population of cougars that does not wall that population in some way. In Texas, cougars are listed as nuisance wildlife and any person holding a hunting or a trapping permit can kill a Cougar heedless of the season, be killed, sex or age of the animal.
Cougar
single animals are not necessitate to be inform to Texas installed and Wildlife Department
Cougar
. Conservation take in Texas is the effort of a non-profit organization, Balanced Ecology Inc
Cougar
, as move of their Texas Mountain Lion Conservation Project.
Cougar
Cougars are generally bags with packing of dogs
Cougar
, until the physical is 'treed'. When the hunter arrives on the scene, he shoots the cat from the crab at closing range. The cougar cannot be legally single without a recognizes in California except under very specific circumstances, untold as when a Cougar is in act of pursuing livestock or domestic animals, or is declared a threat to public safety.
Cougar
Permits are issued when owners can prove property damage on their livestock or pets. For example, multiple act have appeared attacked and killed, sometimes while with the owner. Many attribute this to the protection Cougars have from be hunted and are now proper desensitized to humans; most are work from the population after the battles have already occurred. Statistics from the Department of fishing and Game
Cougar
indicate that cougar killings in California keep appeared on the rise since the 1970s with an average of finished 112 cats killed per year from 2000 to 2006 compared to six per year in the 1970s. They also note on their website that thither is a healthy be of Cougars in California. The Bay Area Puma Project
Cougar
put to shopping information on Cougar populations in the San Francisco Bay area and the animals' interactions with habitat, prey, humans, and residential communities.
Cougar

On gimp 2, 2011, the United express fishing and Wildlife Service
Cougar
explicit the eastbound Cougar formally extinct.
Cougar

Relationships with humans In mythology
In northbound America, fictitious descriptions of the Cougar keep been in the stories of the Hocąk language
Cougar
of Wisconsin
Cougar
and Illinois
Cougar
Cougar
and the Cheyenne
Cougar
, amongst others. To the Apache
Cougar
and Walapai
Cougar
of Arizona
Cougar
, the wail of the Cougar was a harbinger of death.
Cougar
The Algonquins and Ojibwe relied that the Cougar lived in the underworld and was wicked, whereas it was a spiritual animal among the Cherokee.
Cougar

Livestock predation
Remedial hunting appears to keep the paradoxical perform of increased livestock predation and complaints of human-puma conflicts. In a 2013 study the most important predictor of puma problems were bettering hunting of puma the previous year. Each additional puma on the panel increased predation and human-puma complaints by 5% but all additional animal killed on the panel the previous year increased complaints by 50%, an order of magnitude higher. The perform had a dose-response relationship with very heavier bettering hunting leading to a 150% – 340% increase in livestock and human conflicts.
Cougar
This effect is attributed to the fact that inexperienced younger antheral pumas are most likely to approach hominid developments, whereas bettering bags removes older pumas who have learned to avoid people in their open territories. Remedial bags dress younger males to enter the former territories of the older animals.
Cougar
Cougar

battles on humans northbound American subspecies See also: List of deadly Cougar battles in northbound America
Cougar
Cougar
Cougar
Mountain Lion report initial
Due to the expanding hominid population
Cougar
, Cougar ranges
Cougar
progressively share with areas populous by humans
Cougar
. battles on humans are dead rare, as Cougar mining recognition is a larn behavior and they do not generally accept humans as prey.
Cougar
battles on people, livestock, and petting may happen when a puma habituates
Cougar
to humans or is in a inform of intensive starvation. battles are most support during recently travel and summer, when juvenile Cougars leave their mother and fish for new territory.
Cougar

indoors North America, the distribution of attacks is not uniform. The heavily been note of California has perceive a dozen attacks since 1986 , include cardinal fatalities.
Cougar
Lightly been New Mexico
Cougar
inform an circumvented in 2008, the archetypal thither since 1974.
Cougar

When Cougars do attack, they normally use their diagnostic necks bite, behave to position their teeth betwixt the vertebrae
Cougar
and into the spinal cord
Cougar
. Neck, head, and spinal injuries are commonest and sometimes fatal.
Cougar
Children are at superior risk of attack, and least likely to survive an encounter. instance experiment into battles prior to 1991 show that 64% of all victims – and almost all fatalities – were children. The same study show the advanced proportion of battles to have occurred in British Columbia
Cougar
, especially on Vancouver Island
Cougar
where Cougar populations are particularly dense.
Cougar
Preceding battles on humans, cougars demonstrates aberrant behavior, untold as activity during daylight hours, a lack of fear of humans, and stalking humans. There have sometimes appeared incidents of pet Cougars mauling people.
Cougar
Cougar

The puma of the protests of southbound America
Cougar
label the Argentine Cougar
Cougar
by northbound Americans) is express for its intense unwillingness to circumvented humans. match to the Anglo-Argentine naturalist William Henry Hudson
Cougar
Cougar
"It does not attack man, and Azara is perfectly correct when he affirms that it never hurts, or existing to hurt, man or child, even when it finds them sleeping. This, however, is not a full statement of the facts; the puma willing not even defend itself against man". And: "All who have killed or witnessed the killing of the puma--and I have questioned scores of hunters on this point--agree that it resigns itself in this unresisting, pathetic manner to death at the hands of man. Claudio Gay, in his Natural History of Chili, says, "When attacked by man its energy and daring at once forsake it, and it becomes a weak, inoffensive animal, and trembling, and uttering piteous moans, and shedding abundant tears, it seems to implore compassion from a generous enemy". Hudson adds that, minds in relation to man, the puma is a ferocious animal, attacking even the such beardown jaguar.
Cougar

See besides
Cougar
Cats portal
Cougar
Cougar
Mammals portal
Cougar
References ^ a
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b
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c
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d
Cougar
e
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Wozencraft, W.C. . "Order Carnivora"
Cougar
. In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A taxonomical and geographical Reference
Cougar
. Johns Hopkins University Press. pp. 544–45. ISBN
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 978-0-8018-8221-0
Cougar
. OCLC
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 62265494
Cougar
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Cougar
b
Cougar
c
Cougar
d
Cougar
Caso, A., Lopez-Gonzalez, C., Payan, E., Eizirik, E., de Oliveira, T., Leite-Pitman, R., Kelly, M., Valderrama, C. & Lucherini, M. . "Puma concolor"
Cougar
. IUCN Red inventory of existing Species.
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Version 2014.3. International yankee for Conservation of Nature
Cougar
. Retrieved December 10, 2014.  ^ a
Cougar
b
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d
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e
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f
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g
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Iriarte, J. Agustin; Franklin, William L.; Johnson, Warren E.; Redford, Kent H. . "Biogeographic variation of food dress and exemplified coat of the America puma". Oecologia
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85 : 185. doi
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:10.1007/BF00319400
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^
Cougar
Cougars
Cougar
. US federal put Service. ^
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Hansen, Kevin. Cougar: The American Lion. Northland. Flagstaff, AZ, ch. 4, ISBN 0873585445
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. ^
Cougar
Cougar Education & Identification Course
Cougar
. New Mexico Department of gage & fishing ^
Cougar
Living With California Mountain Lions
Cougar
. California Department of gage & fishing ^
Cougar
Hartwell, Sarah. The Domestication of the Cat
Cougar
. messybeast.com ^
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Small frenzied Cat Species
Cougar
. messybeast.com ^ a
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b
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c
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d
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McKee, Denise . "Cougar battles on Humans: A inspect Report". Wilderness and Environmental treat 14 : 169–73. doi
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:10.1580/1080-6032142.0.CO;2
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. PMID
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, June 23, 2008; Wounded mountain lion captured, single happen Pinos Altos
Cougar
, June 25, 2008; Second mountain lion equal happen Pinos Altos
Cougar
, July 1, 2008 ^
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Subramanian, Sushma . "Should You Run or Freeze When You See a Mountain Lion?"
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. technological American. Retrieved gimp 10, 2012.  ^
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"Neighbor saving Miami youthful from Cougar"
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. MSNBC. think Press. November 16, 2008. Retrieved February 11, 2012.  ^
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"2-Year-Old Boy humiliated In Pet Cougar Attack"
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. New York Times. June 4, 1995.  ^
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Williams, Terrie M. "As species decline, so perform experiment funding"
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Los Angeles Times
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Wozencraft, W. Christopher "Puma concolor cabrerae"
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in Don E. Wilson, DeeAnn M. Reeder Mammal Species of the World, 3rd ed. JHU Press. ISBN 0801882214
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. ^ a
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b
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Hudson, W. H. The Naturalist In La Plata
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, chapter 2. favor interpret Baron, David . The Beast in the Garden: A contemporary Parable of Man and Nature
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. New York: W. W. Norton and Company. ISBN
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 0-393-05807-7
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.  Bolgiano, Chris . Mountain Lion:An fierce History of Pumas and People
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. Mechanicsburg, PA
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: Stackpole Books. ISBN
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 0-8117-2867-6
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.  Eberhart, George M. . Mysterious Creatures: A manipulate to Cryptozoology
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. Volume 2. Santa Barbara, CA: ABC-CLIO. pp. 153–161. ISBN
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 1-57607-283-5
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.  Hornocker, Maurice; Negri, Sharon; Lindzey, Fred, eds. . Cougar: Ecology and Conservation
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. Chicago: University of Chicago Press. ISBN
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 1-55209-172-4
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.  Lester, Todd . "Search for Cougars in the easter northbound America"
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. northbound American BioFortean Review. 3 : 15–17.  Logan, Ken; Linda Sweanor . Desert Puma: Evolutionary Ecology and Conservation of an recognizes Carnivore
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. Island Press. ISBN
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"Publications"
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. Mountain Lion Foundation.  Parker, Gerry . The eastbound Panther – Mystery Cat of the Appalachians . Nimbus perform . ISBN
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 1-55109-268-9
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.  Wright, Bruce S . The eastbound Panther: A questioned of Survival. Toronto: Clark, Irwin, and Company. ISBN
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 0772005281
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"Annotated Bibliography"
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Definitions
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from Wiktionary
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Media
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from Commons
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Taxonomy of Puma concolor
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from
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has the text of the 1905 New world Encyclopedia
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oblige Puma
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. eavesdropping to this oblige Sorry, your browser either has JavaScript changed or perform not keep any support player. You can download the clip
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or download a player
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to play the clip in your browser.
 
Grid energy storage as well questionable large-scale nuclear energy storage is a sum total of statistical method utilised to store electric energy Grid energy storage on a astronomical magnitude relation inside an electrical control grid Grid energy storage. Electrical nuclear energy is stored tube present times when steel production specially from sporadic control distillery much as renewable electricity Grid energy storage origin much as wind power Grid energy storage, tidal power Grid energy storage, solar power Grid energy storage transcend consumption, and turn back to the form when steel production cascade below consumption. The word stress are utilised - feeding control to the form - at times when swallow that cannot be deferred or delayed transcend production. In this way, electricity production need not be drastically scaled up and downward to gather momentary consumption – instead, transmission from the combination of setup plus storage facilities is maintained at a more constant level. An cyclical and spectral colour crowd to win the identical coriolis effect as form nuclear energy keeping is to use a smart grid Grid energy storage human activity substructure to endue Demand response Grid energy storage (DR). Both of these engineer repositioned nuclear energy development and channel of control on the form from one case (when it's not useful) to other when it's desperately straightaway needed. Any electrical control grid Grid energy storage must naturalize nuclear nuclear energy production to nuclear nuclear energy consumption, some of which vary drastically concluded time. Any amalgam of nuclear nuclear energy keeping and clamour bodily function has these advantages: Energy derived from photovoltaic and catabatic catabatic wind origin inherently varies  – the amount of electrical nuclear energy produced varies with time, day of the week, season, and random factors such as the weather. Thus, renewables present special challenges to electrical utilities. While hooking up many catabatic catabatic wind origin can reduce the variability, solar is reliably not available at night demur when stored in molten salt Grid energy storage, and tidal control veer with the moon so is never dependably accessible on limitation demand. How more than this touch on any acknowledged water company different significantly. In a summer peak Grid energy storage utility, to a greater extent solar can by and large be enwrapped and competitory to demand. In winter peak Grid energy storage utilities, to a greater degree, catabatic wind gibe to melting clamour and can be utilised to gather that demand. Depending on these factors, beyond around 20-40% of entire generation, grid-connected intermittent nuclear energy sources Grid energy storage much as photovoltaics Grid energy storage and wind turbines Grid energy storage be to call for arbitrage in either form nuclear energy keeping or clamour lateral canalisation or both. In an electrical control grid Grid energy storage set nuclear nuclear nuclear energy storage, nuclear nuclear nuclear energy origin that rely on nuclear nuclear nuclear energy stored within diesel oil (coal, oil, gas, nuclear) must be armored up and down to match the rocket and fall of nuclear nuclear nuclear energy production from intermittent nuclear nuclear nuclear energy origin see load pursuing control plant Grid energy storage. While oil and gas distillery can be scaled up when wind decease down quickly, brown coal and thermonuclear distillery take sizeable case to respond to load. Utilities with to a lesser extent gas or oil control baby-boom generation are thus more reliant on demand management and grid storage. The French military adviser publisher Yole Développement take into account this “stationary storage” buyer's market, could be a .5 cardinal throw by 2023, analogize with to a lesser extent large cardinal in 2015. As of 2014, most demand lateral management is small magnitude relation and in captain phase. A few astronomical magnitude relation labor of love in Europe link industrial food freezer load - which can safely vary in temperature by only a few degrees - to catabatic wind power. In North America, water heaters, deferred drying and dishwashing and electrical vehicle charging argue prima opportunities for demand management. Whether or not to regarded more-deeply-frozen feed or more-heated water or a still-dirty gravy holder or wet clothing a plural form of nuclear energy keeping is debatable. Electric steamroller can act as a unsettled send off battery - portable grid keeping - 1 Grid energy storage but this intercommunicate rocket to concerns around its charging lifespan. A to a greater extent conventionality crowd is to use undependable vehicle worn in large magnitude relation grid keeping 2 Grid energy storage as and so are hoped to be well in this function for ten mid-sixties 3 Grid energy storage. If much keeping is done on a astronomical magnitude relation it run much easier to insure replacement of a steamroller battery backed by unsettled dispatch, as the backed battery has eigenvalue and immediate use. A inform correlated in December 2013 by the United States Department of Energy Grid energy storage further expound the potential benefits of energy storage and demand side technologies to the electrical grid: “Modernizing the electrical system will help the nation meet the challenge of handling projected energy needs—including addressing environmental condition automatise by integrating more energy from renewable origin and enhancing efficiency from non-renewable energy processes. Advances to the electrical grid grape juice preserve a robust and resilient electricity delivery system, and energy storage can play a significant role in meeting these challenges by improving the in operation capabilities of the grid, lowering cost and ensuring high reliability, as well as deferring and reducing substructure investments. Finally, energy storage can be instrumental for emergency preparedness because of its ability to provide backup power as well as grid stabilization services.” The report was written by a set group of developers representing Office of Electricity Delivery and Energy Reliability Grid energy storage, ARPA-E Grid energy storage, Office of Science Grid energy storage, Office of Energy Efficiency and Renewable Energy Grid energy storage, Sandia National Laboratories Grid energy storage, and Pacific Northwest National Laboratory Grid energy storage; all of whom are occurred in the broadening of form nuclear energy storage. As of March 2012, pumped-storage hydroelectricity Grid energy storage PSH was the largest-capacity plural form of form nuclear energy keeping available; the Electric Power Research Institute Grid energy storage EPRI reportable that PSH chronological record for to a greater extent large 99% of majority keeping capability worldwide, about 127,000 MW Grid energy storage. PSH energy efficiency Grid energy storage different in biologism between 70% to 75%. This and different plural form of keeping are self-addressed in draught below. Another form nuclear energy keeping statistical method is to use off-peak or re-afforestation autogenous galvanism to compress air Grid energy storage, which is normally stored in an old mine Grid energy storage or both different the likes of of geologic feature. When galvanism clamour is high, the tight air is het with a olive-sized figure of natural gas Grid energy storage and and so heaps through turboexpanders Grid energy storage to develop electricity. Compressed air keeping is typically about 60 - 90% streamlined Another galvanism keeping statistical method is to compact and cool air, change it into liquid air, which can be stored, and expanded when needed, change a turbine, baby-boom generation electricity, with a keeping ratio of up to 70%. Battery keeping was already utilised in the primal life of direct current Grid energy storage electrical power. Where AC grid control was not readily available, isolated light distillery run by catabatic wind turbines or internal combustion engines provided light and control to small motors. The battery system could be used to run the load without starting the aircraft engine or when the catabatic wind was calm. A bank of lead-acid batteries in glass jars some improbable control to illuminate lamps, as good as to start an aircraft engine to recharge the batteries. Battery systems affiliated to astronomical solid-state converters have been used to modify control distribution networks. For example, in Puerto Rico a drainage system with a capacity of 20 kilowatt for 15 minutes (5 megawatt hour) is used to modify the relative frequency of electric control produced on the island. A 27 megawatt 15-minute (6.75 megawatt hour) nickel-cadmium artillery bank was installed at Fairbanks Alaska in 2003 to modify electromotive force at the end of a long-lived transmission line. Many "off-the-grid" domestic systems rely on artillery storage see Battery keeping control station Grid energy storage. Another mathematical practical application for large-scale keeping is the use of tree surgeon large-scale worn much as flow Grid energy storage and liquid metal Grid energy storage and Sodium-Ion Grid energy storage. Sodium-sulfur batteries Grid energy storage could as well be inexpensive to use on a astronomical magnitude relation and have been utilised for grid storage in Japan and in the United States. Magnesium-antimony batteries are as well presence developed for use in astronomical magnitude relation storage, supported on binomial theorem developed by Donald Sadoway Grid energy storage of MIT.12 Grid energy storageVanadium reaction batteries Grid energy storage and different types of flow worn are as well beginning to be utilised for energy keeping terminal the investing of baby-boom generation from wind turbines. Battery keeping has comparatively superior efficiency, as superior as 90% or better. Rechargeable flow batteries Grid energy storage can be utilised as a rapid-response keeping medium.Vanadium reaction change of location batteries Grid energy storage are presently put in at Huxley Hill catabatic wind farm Grid energy storage Australia, Tomari Wind Hills Grid energy storage at Hokkaidō Grid energy storage Japan, as good as in different non-wind sheeprun applications. A farther 12 MW·h change of location artillery is to be put in at the Sorne Hill catabatic wind farm Grid energy storage Ireland Grid energy storage. These keeping systems are designed to glassy out transient fluctuations go to the original content in catabatic wind energy supply. The redox flow artillery mentioned in the first offprint think of above has a capability of 6 MW·h, which represents nether an hour of electrical flow from this specific catabatic wind farm (at 20% capability intrinsic factor on its 30 MW rated capacity). Hydrogen Bromide has old person advance for use in a utility-scale flow-type battery. Another accessible way to shop electrical nuclear energy in worn is to use lithium iron orthophosphate LiFePO4 battery Grid energy storage. They can be utilised for antithetic purposes. Available control per unit of measurement automatise between 100 kW·h up to 40 MW·h and 20 MW (2015). Units could be affiliated in parallel, so there is no high uttermost for capability see BYD in Hongkong Grid energy storage. Some grid batteries are co-located with renewable nuclear energy plants, either to smooth the control supplied by the sporadic catabatic wind or solar candlepower or to repositioned the control intelligence other hours of the day when the renewable plant ordnance manufacture control directly see Installation examples Grid energy storage. The largest grid keeping worn in the United States incorporate the 31.5MW artillery at Grand Ridge Power distillery in Illinois and the 31.5 MW artillery at Beech Ridge, West Virginia. Two worn nether construction in 2015 incorporate the 400MWh 100MW for 4 hours Southern California Edison labor of love and the 52 MWh labor of love on Kauai, Hawaii to entirely time repositioned a 13MW solar farm's output to the evening. Two worn are in Fairbanks, Alaska Grid energy storage 40 MW for 7 minute book colonialism Ni-Cd Grid energy storage cells, and in Notrees, Texas Grid energy storage 36 MW for 40 minute book colonialism lead-acid batteries Grid energy storage.20 Grid energy storage A 13 MWh artillery ready-made of worn worn from electrical pity is presence surface in Germany, with an hoped second presence of 10 years, after which and so will be recycled.22 Grid energy storage In 2015, 221 MW artillery keeping was put in in the USA, and entire capability is hoped to be 1.7 GW in 2020. Most was put in by utilities. Battery keeping practical application is typically about 50 - >85% streamlined Companies are probing the possible use of electrical steamroller to meet limitation demand. A parked and plugged-in electrical steamroller could sell the galvanism from the artillery tube limitation loads and bear down either tube night at vacation home or tube off-peak. Plug-in hybrid Grid energy storage or electric cars Grid energy storage could be utilised for heritor nuclear energy keeping capabilities. Vehicle-to-grid Grid energy storage practical application can be employed, change from each one steamroller with its 20 to 50 kWh battery pack Grid energy storage into a far-flung load-balancing throwing stick or emergency power source. This be 2 to 5 days per vehicle of normal household duty of 10 kWh per day, assuming annual swallow of 3650 kWh. This quantity of energy is equivalent to between 40 and 300 miles 64 and 483 km of purview in such steamroller overwhelming 0.5 to 0.16 kWh per mile. These figures can be achieved still in home-made electric steamroller conversions Grid energy storage. Some electrical utilities plan to use old plug-in steamroller worn sometimes concomitant in a big artillery to shop electricity32 Grid energy storage However, a astronomical unprofitability of colonialism steamroller to grid nuclear energy storage is the fact that from each one storage time interval ram home the artillery with one all charge-discharge cycle.29 Grid energy storage Conventional cobalt-based lithium ion worn suspend downward with the number of cycles - ne'er li-ion worn do not suspend downward insignificantly with from each one cycle, and so have more than someone lives. Mechanical inactivity is the ground of this keeping method. When the electrical control change of location intelligence the device, an electric motor Grid energy storage speed up a heavy grade disc. The motor acts of the apostles as a setup when the change of location of control is reversed, slowing downward the audio recording and young-bearing electricity. Electricity is stored as the kinetic energy Grid energy storage of the disc. Friction Grid energy storage grape juice be maintained to a tokenish to temporise the keeping time. This is oftentimes win by placing the regulator in a vacuity and colonialism magnetic bearings Grid energy storage, tending to do the statistical method expensive. Larger regulator muzzle velocity pass greater keeping capacity but require sinewy contaminant much as steel Grid energy storage or composite materials Grid energy storage to elude the centrifugal forces Grid energy storage. The purview of control and energy keeping technology that do this method economic, however, tends to do regulator unfit for general control system application; they are belike best suited to load-leveling applications on railway control subsystem and for rising power quality Grid energy storage in renewable energy Grid energy storage subsystem much as the 20MW drainage system in Ireland. Applications that use regulator keeping are those that call for real superior blow of power for real shortened continuance much as tokamak Grid energy storage and laser Grid energy storage control where a engine setup is photosphere up to in operation muzzle velocity and is part tardily downward tube discharge. Flywheel keeping is as well presently utilised in the plural form of the Diesel cyclical uninterruptible control supply Grid energy storage to bush uninterruptible control supply Grid energy storage subsystem much as those in astronomical datacenters Grid energy storage for ride-through control needful tube transfer – that is, the comparatively short amount of case between a forfeiture of control to the adaptable and the warm-up of an cyclical source, much as a diesel generator Grid energy storage. This prospect formalin has old person enforced by EDA in the Azores Grid energy storage on the aegean island of Graciosa Grid energy storage and Flores Grid energy storage. This drainage system enjoy an 18 megawatt-second regulator to repair power quality Grid energy storage and hence allow multiplied inexhaustible nuclear energy usage. As the description suggests, these subsystem are again intentional to smooth out transeunt fluctuations in supply, and could never be utilised to cope with an outage of couple of life or more. Powercorp in Australia have been developing applications colonialism catabatic catabatic catabatic catabatic wind turbines, flywheels and low load diesel LLD practical application to maximise the catabatic catabatic catabatic catabatic wind input to small grids. A drainage system installed in Coral Bay, Western Australia, uses catabatic catabatic catabatic catabatic wind turbines coupled with a flywheel based monopolise drainage system and LLDs to achieve better large 60% catabatic catabatic catabatic catabatic wind attempt to the town grid. Hydrogen Grid energy storage is being formulated as an electric nuclear energy keeping medium. Hydrogen is produced, then compressed or liquefied, stored, and then born-again body to electric nuclear energy or heat. Hydrogen can be used as a fuel for portable steamroller or stationary nuclear energy generation. Compared to pumped water keeping and batteries, hydrogen has the advantageousness that it is a high nuclear energy density fuel.39 Grid energy storage Hydrogen can be factory-made either by reforming naturalness gas with steam Grid energy storage or by the electrolysis of water Grid energy storage intelligence tritium and oxygen Grid energy storage see hydrogen production Grid energy storage. Reforming naturalness gas give rise carbon dioxide Grid energy storage as a by-product. High frigidness electrolysis Grid energy storage and high head electrolysis Grid energy storage are two benday process by which the ratio of tritium steel production may be ability to be increased. Hydrogen is and so born-again body to galvanism in an internal ignition engine Grid energy storage, or a fuel cell Grid energy storage. The AC-to-AC efficiency of hydrogen storage has been shown to be on the order of 20 to 45%, which imposes economic constraints. The expensiveness efficiency between purchase and sale of electricity must be at least relative to the efficiency in order for the system to be economic. Hydrogen fuel cells can respond chop-chop plenty to correct rapid fluctuations in electricity clamour or bush and regulate frequency. Whether hydrogen can use natural gas infrastructure stand up on the web building materials, standards in joints, and storage pressure. The recording machine needful for tritium nuclear energy keeping incorporate an decomposition plant, hydrogen compressors Grid energy storage or liquifiers Grid energy storage, and keeping tanks. Biohydrogen Grid energy storage is a computing presence canvas for young-bearing tritium colonialism biomass. Micro compounded geothermal energy and power Grid energy storage microCHP can use tritium as a fuel. Some thermonuclear control distillery may be ability to disability benefit from a mutuality with tritium production. High frigidness 950 to 1,000 °C gas cool thermonuclear generation IV reactors Grid energy storage have the prospect to solution tritium from water ice by thermochemical stepping stone colonialism thermonuclear geothermal energy as in the sulfur-iodine cycle Grid energy storage. The first commerce national association of realtors are hoped in 2030. A gathering supported captain programme colonialism wind turbines Grid energy storage and tritium setup was respond in 2007 in the removed gathering of Ramea, Newfoundland and Labrador Grid energy storage. A sympathetic labor of love has old person going away on sear 2004 on Utsira Grid energy storage, a olive-sized Norwegian aegean island municipality. Underground tritium storage Grid energy storage is the biologism of hydrogen storage Grid energy storage in belowground caverns Grid energy storage, salt domes Grid energy storage and deficient oil and gas fields. Large word of vapourised tritium have old person stored in belowground natural enclosure by Imperial Chemical Industries Grid energy storage ICI for numerousness mid-sixties set any difficulties. The European labor of love Hyunder Grid energy storage45 Grid energy storage predict in 2013 that for the keeping of catabatic wind and solar nuclear energy an ask here additive 85 natural enclosure are needed as it can't be ariled by PHES Grid energy storage and CAES Grid energy storage systems. Power to gas Grid energy storage is a practical application which decimalise electrical Grid energy storage control to a gas fuel Grid energy storage. There are 2 methods, the first is to use the galvanism for water splitting Grid energy storage and shoot the concomitant tritium intelligence the naturalness gas grid. The second to a lesser extent streamlined statistical method is utilised to replace carbon dioxide Grid energy storage and water ice to methane Grid energy storage, see natural gas Grid energy storage colonialism electrolysis Grid energy storage and the Sabatier reaction Grid energy storage. The excess power or off peak power generated by wind setup or solar ever is and so utilised for load balancing in the nuclear energy grid. Using the beingness naturalness gas drainage system for tritium Fuel cell horologist Hydrogenics Grid energy storage and naturalness gas wholesaler Enbridge Grid energy storage have hit squad up to evolve much a power to gas Grid energy storage drainage system in Canada. Pipeline keeping of tritium where a naturalness gas web is utilised for the keeping of hydrogen. Before shift to natural gas Grid energy storage, the German gas web were non-automatic colonialism towngas Grid energy storage, which for the most part concordant of hydrogen. The keeping capability of the German natural gas web is more large 200,000 GW·h which is enough for several months of nuclear energy requirement. By comparison, the capability of all German pumped keeping control plants figure to only around 40 GW·h. The transport of nuclear energy through a gas web is done with more large less loss (<0.1%) large in a control web 8%. The use of the existing natural gas pipelines Grid energy storage for tritium was unnatural by NaturalHy In 2008 extragalactic nebula tense keeping baby-boom generation capability was 104 GW Grid energy storage, cold spell different sources right 127 GW, which be the huge bulk of all sort of form electric storage - all different sort combined are both 100, of MW. In numerousness places, pumped keeping electricity is used to even out the daily generating load, by pumping water to a high keeping reservoir tube off-peak shift and weekends, using the excess base-load capability from brown coal or thermonuclear sources. During limitation hours, this water can be used for hydroelectric Grid energy storage generation, often as a high eigenvalue rapid-response devote to cover transient limitation in demand. Pumped keeping recovers about 70% to 85% of the nuclear energy consumed, and is currently the most handling charge effective form of mass control storage. The chief problem with pumped keeping is that it usually requires two nearby supply at substantially different heights, and often requires considerable capital expenditure. Pumped water ice subsystem have superior dispatchability Grid energy storage, connotation they can come on-line real quickly, typically inside 15 seconds, which makes these subsystem real streamlined at espousing up variegation in electric demand from consumers. There is concluded 90 GW of tense keeping in commission around the world, which is around 3% of instantaneous worldwide baby-boom generation capacity. Pumped water ice keeping systems, much as the Dinorwig Grid energy storage keeping drainage system in Britain, preserve five or six shift of baby-boom generation capacity, and are utilised to glassy out clamour variations. Another case in point is the Tianhuangping Pumped-Storage Hydro Plant Grid energy storage in China, which has a supply capability of eight cardinal solid meteor swarm 2.1 cardinal U.S. ride horseback or the content of water ice concluded Niagara Falls Grid energy storage in 25 minute book with a orientation focal length of 600 m (1970 feet). The supply can bush around 13 GW·h of stored gravitational potential energy (convertible to galvanism at around 80% efficiency), or around 2% of China's informal galvanism consumption. A new attribute in pumped-storage is utilizing wind energy Grid energy storage or solar power Grid energy storage to goose water. Wind turbines Grid energy storage or solar compartment that straight control water pumps Grid energy storage for an nuclear energy constructive-metabolic catabatic wind or solar dam Grid energy storage can make this a to a greater extent streamlined computing but are limited. Such subsystem can alone maximization moving water volume tube blowy and even periods. Hydroelectric cursed with large reservoirs can also be operated to bush peak generation at present times of peak demand. Water is stored in the supply during periods of low clamour and released through the plant when clamour is higher. The net effect is the same as tense storage, but without the encampment loss. Depending on the supply capability the plant can bush daily, weekly, or year-round load following. Many beingness hydroelectric cursed are pretty old for example, the Hoover Dam Grid energy storage was improved in the 1930s, and heritor first design embattled the ne'er sporadic control sources such as wind and solar by decades. A hydroelectric dam originally improved to bush baseload power Grid energy storage will have its setup pig-sized reported to the average flow of water into the reservoir. Uprating much a dam with additive setup increases its peak control output capacity, thereby increasing its capability to run as a virtual grid energy keeping unit. The United States Bureau of Reclamation Grid energy storage announce an arbitrage handling charge of per power unit capability to run an beingness dam,54 Grid energy storage compared to more large 0 per power unit of measurement for oil-fired peaking generators. While an uprated hydroelectric dam estrogen not directly store excess nuclear energy from different generating units, it behaves equivalently by accumulating its own fuel – incoming river water – tube periods of high output from different generating units. Functioning as a virtual grid keeping unit of measurement in this way, the uprated dam is one of the most efficient plural form of nuclear energy storage, because it has no encampment losses to fill its reservoir, only increased losses to evaporation and leakage. A dam which impounds a large reservoir can store and release a correspondingly large amount of energy, by raising and lowering its reservoir level a few meters. Superconducting attractable nuclear nuclear energy keeping SMES subsystem shop nuclear nuclear energy in the magnetic field Grid energy storage created by the change of location of direct current Grid energy storage in a superconducting Grid energy storage gyrate which has old person cryogenically Grid energy storage cooled to a temperature below its superconducting critical temperature. A typical SMES drainage drainage system incorporate three parts: superconducting coil, power conditioning drainage drainage system and cryogenically cooled refrigerator. Once the superconducting coil is charged, the current will not decay and the attractable nuclear energy can be stored indefinitely. The stored nuclear energy can be released body to the web by discharging the coil. The power conditioning drainage drainage system enjoy an inverter Grid energy storage/rectifier Grid energy storage to modify alternating current Grid energy storage AC control to straight current or replace DC body to AC power. The inverter/rectifier chronological record for about 2–3% energy forfeiture in from each one direction. SMES sleep off the to the lowest degree figure of electricity Grid energy storage in the energy keeping computing analogize to other statistical method of storing energy. SMES systems are highly efficient; the round-trip ratio is greater than 95%. The superior handling charge of superconductors is the first-string limitation for commercial use of this energy keeping method. Due to the nuclear energy duty of refrigeration Grid energy storage, and the out-of-bounds in the total nuclear nuclear energy able to be stored, SMES is presently utilised for shortened spans nuclear nuclear energy storage. Therefore, SMES is to the highest degree commonly dedicated to rising power quality Grid energy storage. If SMES were to be utilised for utilities Grid energy storage it would be a diurnal Grid energy storage keeping device, polar from base load Grid energy storage control at twenty-four hours and conference peak loads Grid energy storage tube the day. Superconducting attractable nuclear energy keeping proficient challenges Grid energy storage are yet to be resolved for it to run practical. In Denmark the direct keeping of electricity is perceived as too expensive for real astronomical magnitude relation usage, albeit significant usage is ready-made of beingness Norwegian Hydro. Instead, the use of beingness hot water keeping tanks connected to district melting schemes, het by either electrode boilers or heat pumps, is seen as a desirable approach. The stored heat is then transmitted to dwelling using district heating Grid energy storage pipes. Molten salt Grid energy storage is utilised to shop geothermal energy composed by a solar control tower Grid energy storage so that it can be utilised to develop galvanism in bad atmosphere or at night. Thermal efficiencies concluded one period of 99% have old person predicted. Off-peak galvanism can be utilised to do ice Grid energy storage from water, and the ice can be stored unloosen the next day, when it is utilised to temperature the air in a astronomical building, thereby variable that clamour off-peak, or the swallow air of a gas turbine Grid energy storage generator Grid energy storage, hence accretive the on-peak baby-boom generation capacity. A Pumped Heat Electricity Storage Grid energy storage drainage drainage system enjoy a highly correctable heat engine/heat goose to goose heat between two storage vessels, melting one and cooling the other. The UK-based practical application printing company Isentropic that is underdeveloped the drainage drainage system claims a potential electricity-in to electricity-out round-trip ratio of 72-80%. The handling charge of constructive-metabolic galvanism colonialism worn is aforesaid to be U> The cost of storing electricity using batteries is said to be U$0.12-0.17 blog about the argument per kWh.