noun
monk seal
Refers to seals of the genus Monachus. The word is usually written in katakana.
モンクアザラシは絶滅の危機に瀕している。
Monk seals are on the verge of extinction.
From English 'monk seal' + 海豹 (あざらし, 'seal'). The 'monk' part is thought to refer to the seal's solitary habits or the cowl-like folds of skin on its neck.