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{{FriendBox
{{2DesignFriendBox
|name=Steller's Sea Cow
|name=Steller's Sea Cow
|olddesignpic=Steller's Sea CowOld.png
|originalpic=Steller's Sea CowOriginal.png
|originalpic=Steller's Sea CowOriginal.png
|name_jp=ステラーカイギュウ
|name_jp=ステラーカイギュウ
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{{FriendBuilder
{{FriendBuilder
|introduction='''Steller's Sea Cow''' is a type of [[Friend]] that appeared in the original Kemono Friends mobile game.
|introduction=
{{HQImage}}
'''Steller's Sea Cow''' is a type of [[Friend]] that appeared in the original Kemono Friends mobile game.
|appearance= Sler's Sea Cow in her old design has cyan-blue eyes, her shoulder-length hair is purplish grey that fades into a dark purple at the end of it. Besides her long tail fin, she has two large flippers right above the ears befitting her species. Her flippers share the same color tone as her hair, getting darker at the end and so does her tail fin.
 
Steller's Sea Cow wears a bikini that is purplish dark gray colored with several white spots on it representing the real animal's skin color. The Bikini top goes around her neck where it fades into a orange- yellow color. Besides the top she wears full-length gloves with the same color scheme as her bikini. The cuffs of it are yellow colored and the gloves fade into a white color around her hands.
 
Her bikini bottom has the same color scheme as the top. A little orange yellow ring is connecting the forth and back. She wears thigh high socks, which share the same features as her gloves: orange-yellow cuffs, greenish gray colored with several white spots and around her feet they fade into a white color. Also, noticeable are the yellow bracelets she wears on her left arm and her right foot.
Friend]] that appeared in the original Kemono Friends mobile game.
|appearance=Steller's Sea Cow has cyan-blue eyes, her shoulder-length hair is purplish grey that fades into a dark purple at the end of it. Besides her long tail fin, she has two large flippers right above the ears befitting her species. Her flippers share the same color tone as her hair, getting darker at the end and so does her tail fin.
|appearance=Steller's Sea Cow has cyan-blue eyes, her shoulder-length hair is purplish grey that fades into a dark purple at the end of it. Besides her long tail fin, she has two large flippers right above the ears befitting her species. Her flippers share the same color tone as her hair, getting darker at the end and so does her tail fin.


Steller's Sea Cow wears a bikini that is greenish gray colored with several white spots on it representing the real animal's skin color. The Bikini top goes around her neck where it fades into a orange- yellow color. Besides the top she wears full-length gloves with the same color scheme as her bikini. The cuffs of it are orange-yellow colored and the gloves fade into a white color around her hands.  
Steller's Sea Cow wears a bikini that is purplish dark gray colored with several white spots on it representing the real animal's skin color. The Bikini top goes around her neck where it fades into a orange- yellow color. Besides the top she wears full-length gloves with the same color scheme as her bikini. The cuffs of it are yellow colored and the gloves fade into a white color around her hands.  
 
Her bikini bottom has the same color scheme as the top. A little orange yellow ring is connecting the forth and back. She wears thigh high socks, which share the same features as her gloves: orange-yellow cuffs, greenish gray colored with several white spots and around her feet they fade into a white color. Also, noticeable are the yellow bracelets she wears on her left arm and her right foot.
|t0=No
|t1=Yes
|nxnrole=Minor character in story, playable character.
|t2=No
|t3=No
|t4=No
|t5=No
|t6=No
|t7=No
|t8=No
|t9=No
|t10=No
|t11=No
|t12=No
|t13=No
|t14=No
|t15=No
|t16=No
|t17=No
|t18=No
|t19=No
|t20=No
|t21=No
|t22=Yes
|kf3role=Playable character
|t23=No
|t24=No
|t25=No
|t26=No
|t27=No
|t28=No
|reallife=[[File:stellersseacow.jpg|thumb|upright=1.0|left|A depiction of the now extinct Steller's Sea Cow.]]
 
The Steller's sea cow ''(Hydrodamalis gigas)'' is an extinct [https://en.wikipedia.org/wiki/Sirenia sirenian]. During its time, it was found only around the [https://en.wikipedia.org/wiki/Commander_Islands Commander Islands] in the [https://en.wikipedia.org/wiki/Bering_Sea Bering Sea] between Alaska and Russia. First described by German zoologist and explorer [https://en.wikipedia.org/wiki/Georg_Wilhelm_Steller Georg Wilhelm Steller] in 1741, most of what is known about the creature is through his observations and notes, found in his book ''On the Beasts of the Sea''.
 
They were incredibly large animals, reported to have grown to 8 to 9 m (26 to 30 ft) long as adults. Based on recent skeletal findings, the estimated weight is around 8–10 t (8.8–11.0 short tons, or 17,600-22,000 lbs.). This size made the sea cow one of the largest mammals of the [https://en.wikipedia.org/wiki/Holocene Holocene] [https://en.wikipedia.org/wiki/Epoch_(geology) epoch], alongside baleen whales and some tooth whales. It was also most likely an adaptation to preserve body heat in the colder climates it lived in.
 
Unlike modern sirenians, the Steller's Sea Cow was completely buoyant, meaning it could not fully submerge itself. Their thick outer skin (around 1 in. thick) helped protect them from the cold as well as sharp rocks and ice. A dense layer of [https://en.wikipedia.org/wiki/Blubber blubber], as thick as 3-4 inches, also helped protect them from the frigid waters of the Bering Sea. The skin was described as brownish-black, with white patches on some individuals. It was smooth along its back and rough on its sides. This rough texture lead to the nickname of "bark animal". The forelimbs were about 67 cm (26 in) long, and the tail's fluke was forked (similar to modern day Dugongs).
 
Georg Steller described the animal as being very social and gregarious, living in small family groups. They were noted to be [https://en.wikipedia.org/wiki/Monogamy_in_animals monogamous] and exhibited parental care toward the young. Mating season occurred in early spring, with gestation taking a little over a year. Since Steller observed a greater number of calves in autumn than at any other time of the year, it is likely calves were born in those months. Females had only one set of mammary glands, and as such, they likely had one calf at a time.
 
Steller also reported an incident where as one female was being captured, the rest of the group attacked the boat by ramming the sides with their heads. After the hunt, the mate of the captured female followed the boat to shore, even after she had passed.
 
[[File:Hydrodamalis gigas skeleton - Finnish Museum of Natural History - DSC04529.JPG|thumb|left|Skeleton of the Steller's Sea Cow at the Finnish Museum of Natural History. Photo by user Daderot.]]


Her bikini bottom has the same color scheme as the top. A little orange yellow ring is connecting the forth and back. She wears thigh high socks, which share the same features as her gloves: orange-yellow cuffs, greenish gray colored with several white spots and around her feet they fade into a white color. Also, noticeable are the orange-yellow bracelets she wears on her left arm and her right foot.
The indigenous peoples of the Aleutian Islands and St. Lawrence Islands, namely the [https://en.wikipedia.org/wiki/Aleut Aleut people] and [https://en.wikipedia.org/wiki/Siberian_Yupik_people Siberian Yupik people] respectively, heavily depended on the Steller's Sea Cow for food and hide. They frequently moved around to be able to hunt the animal. As such, many local populations were [https://en.wikipedia.org/wiki/Local_extinction extirpated]. By the time Europeans discovered them in the 1740's, it is estimated there may have been only 2,000 individuals left. Records conclude that by 1768, twenty-seven years after the discovery, the Steller's Sea Cow was extinct. However in 1887, zoologist [https://en.wikipedia.org/wiki/Leonhard_Hess_Stejneger Leonhard Hess Stejneger] determined there had been fewer than 1,500 individuals remaining at the time of Steller's discovery, and argued there was already an immediate danger of the sea cow's extinction.
|reallife=Steller's Sea Cow was first discovered in 1741 around the Commander Islands in the Bering Sea which were also their natural habitat. The species is named after the German Naturalist Georg W. Steller which studied the Sea Cows closely. Steller's Sea Cows were wiped out by hunters in less than 30 years after they were discovered. The last reported exemplar was killed in 1768 and with that the species got fully exterminated.
[[File:stellersseacow.jpg|thumb|upright=1.0|left|A depiction of the now extinct Steller's Sea Cow]]
Steller's Sea Cow could reach a length of 9 to 10 meters (over 30ft) and a weight around 10 metric tons (22,000 pounds). The Sea Cow had a relatively small head and a broad, horizontal forked tail fluke as well as small stumpy flippers near the front of the body. Her barklike skin was dark brown sometimes spotted with white. Steller's Sea Cows were herbivores, mainly eating kelp and seaweed as they had no teeth. The Sea Cows were described as being highly social. They lived in small family groups and helped injured members. Some Reports say that Steller's Sea Cow showed parental care, with young Sea Cows kept at the front of the herd for protection or attacking potential enemies together.


Scientists have tried to establish whether hunting expeditions killed off Steller's Sea Cow, or whether other factors played a role. Nowadays studies came to a conclusion that Steller's Sea Cow was hunted year for year more frequently by expeditions passing the Bering Sea because of their large amount of meat. A report stated that one Sea Cow could feed 33 men and it was thought sailors stored it to feed themselves on voyages lasting up to a year. Humans hunted the Sea Cows faster than they could reproduce which led to the species extinction.
Evidence suggests Steller's sea cows, specifically ones around the Commander Islands, were the last of a much more spaced out population dispersed across the North Pacific coastal zones. During the recent glacial periods and reduction in sea levels and temperatures, suitable habitat substantially regressed, which fragmented the current population. By the time sea levels stabilized circa 5,000 years ago, the population as a whole had already plummeted. Both of these natural occurrences indicated that even without human influence, the Steller's sea cow would have still been a "[https://en.wikipedia.org/wiki/Extinction_debt dead clade walking]", or an extinction caused by past events.
|trivia=Today the term Sea Cow is often used to refer to the Manatee or Dugong.
|trivia=[[File:Em - Hydrodamalis gigas model.jpg|thumb|right|Model in the Natural History Museum of London. Photo by Emőke Dénes.]]
|reference=*http://www.bbc.co.uk/earth/story/20150613-the-giant-cow-that-swam-the-ocean


*https://www.britannica.com/animal/sea-cow
* Today the term Sea Cow is often used to refer to the [[Manatee]] or [[Dugong]].
* As of 2017, two mostly complete skeletons have been found- one in 1987, measuring 9.8 ft. and one in 2017, measuring around 15 ft.
* The estimated weight of modern findings contradicts Steller's original writings: he guessed 4 and 24.3 t (4.4 and 26.8 short tons), which is equivalent to around 8800-53600 lbs.
* The sea cow's heart alone was estimated 16 kg (35 lb.) in weight
* Steller's sea cow's closest living relative is the [[Dugong]] (Dugong dugon)
* The first bones of a Steller's sea cow were unearthed around1840, more than 70 years after it was presumed to have become extinct.
|reference=* [[https://en.wikipedia.org/wiki/Steller%27s_sea_cow Wikipedia Page]]
* Scheffer, Victor B. (November 1972). "The Weight of the Steller Sea Cow". Journal of Mammalogy. 53 (4): 912–914.
* Mattioli, Stefano; Domning, Daryl P. (2006). "An Annotated List of Extant Skeletal Material of Steller's Sea Cow (Hydrodamalis gigas) (Sirenia: Dugongidae) from the Commander Islands". Aquatic Mammals. 32 (3): 273–288. doi:10.1578/AM.32.3.2006.273.
* Marsh, Helene; O'Shea, Thomas J.; Reynolds III, John E. (2011). "Steller's sea cow: discovery, biology and exploitation of a relict giant sirenian". Ecology and Conservation of the Sirenia: Dugongs and Manatees. New York, New York: Cambridge University Press. pp. 18–35.
* Forsten, Ann; Youngman, Phillip M. (1982). "Hydrodamalis gigas" (PDF). Mammalian Species (165): 1–3. doi:10.2307/3503855. JSTOR 3503855. Archived from the original (PDF) on 2016-10-20.
* Sharko, F. S.; Boulygina, E. S.; et al. (2021). "Steller's sea cow genome suggests this species began going extinct before the arrival of Paleolithic humans". Nature Communications. 12 (2215): 2215. Bibcode:2021NatCo..12.2215S. doi:10.1038/s41467-021-22567-5. PMC 8044168. PMID 33850161.
* Sharko, F. S.; Boulygina, E. S.; et al. (2021). "Steller's sea cow genome suggests this species began going extinct before the arrival of Paleolithic humans". Nature Communications. 12 (2215): 2215. Bibcode:2021NatCo..12.2215S. doi:10.1038/s41467-021-22567-5. PMC 8044168. PMID 33850161.
* Domning, Daryl P.; Thomason, James; Corbett, Debra G. (2007). "Steller's sea cow in the Aleutian Islands". Marine Mammal Science. 23 (4): 976–983. doi:10.1111/j.1748-7692.2007.00153.x.
* Domning, D. (2016). "Hydrodamalis gigas". IUCN Red List of Threatened Species. 2016: e.T10303A43792683. doi:10.2305/IUCN.UK.2016-2.RLTS.T10303A43792683.en. Retrieved 17 February 2022.
}}
}}
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