noun
gray wolf; grey wolf
Specifically refers to the European subspecies Canis lupus lupus, as opposed to other wolf species.
灰色狼はヨーロッパに生息するオオカミの亜種です。
The gray wolf is a subspecies of wolf that inhabits Europe.
狼 is the general term for wolf, while 灰色狼 specifies the European gray wolf subspecies.
Compound of 灰色 (はいいろ, 'gray') and 狼 (おおかみ, 'wolf'), directly describing the animal's coloration.