bighorn sheep
Refers specifically to Ovis canadensis. The term is rare; ビッグホーン is a more common alternative.
See also: ビッグホーン
Bighorn sheep inhabit the mountainous regions of North America.
Katakana spelling is common for animal names; usually written in kana.
Kanji spelling is rare and may not be widely recognized.
Compound of 大 (おお, 'big') + 角 (つの, 'horn') + 羊 (ひつじ, 'sheep'). The exact derivation is uncertain, but it is a straightforward descriptive term.