Bighorn sheep
The bighorn sheep (Ovis canadensis) is a species of sheep native to North America. It is named for its large horns. A pair of horns might weigh up to 14 kg (30 lb); the sheep typically weigh up to 143 kg (315 lb). Recent genetic testing indicates three distinct subspecies of Ovis canadensis, one of which is endangered: O. c. sierrae.
| Bighorn sheep Temporal range: Middle Pleistocene – recent | |
|---|---|
| Male (ram), Wheeler Peak, New Mexico | |
| Female (ewe), Greater Vancouver Zoo | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | Bovidae |
| Subfamily: | Caprinae |
| Tribe: | Caprini |
| Genus: | Ovis |
| Species: | O. canadensis |
| Binomial name | |
| Ovis canadensis Shaw, 1804 | |
| Bighorn sheep range | |
| Synonyms | |
|
O. cervina Desmarest | |
Sheep originally crossed to North America over the Bering Land Bridge from Siberia; the population in North America peaked in the millions, and the bighorn sheep entered into the mythology of Native Americans. By 1900, the population had crashed to several thousand due to diseases introduced through European livestock and overhunting.
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