hooded seal

English Thesaurus

1. medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters (noun.animal)

hypernym	:	earless seal, hair seal, true seal,
definition	:	any of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippers (noun.animal)

member meronym	:	cystophora, genus cystophora,
definition	:	hooded seals (noun.animal)