noun
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
オオツノヒツジは北アメリカの山岳地帯に生息している。
Bighorn sheep inhabit the mountainous regions of North America.
More common loanword for bighorn sheep; オオツノヒツジ is a rare native term.
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.