The pinniped ear is adapted for hearing underwater, where it can hear sound frequencies of up to 70,000 Hz. In air, hearing is somewhat reduced in pinnipeds compared to many terrestrial mammals.

Nov 19, 2025 · Pinniped, any of a group of 34 species of aquatic fin-footed mammals comprising seals, sea lions, and the walrus. Pinnipeds live only in rich marine environments and a few inland or tropical …

The pinniped’s ancestors were likely drawn to the ocean due to its abundance of food and over time they evolved to life in the water. Pinnipeds evolved from the ancestors of the musteloids which include …

The word "pinniped" means fin- or flipper-footed and refers to the marine mammals that have front and rear flippers. This group includes seals, sea lions and walruses -- animals that live in the ocean but …

Jul 24, 2025 · Many pinniped species are highly social animals, often forming large colonies on land or ice for resting and breeding. Colonies can exhibit complex social structures, with individuals …

The meaning of PINNIPED is any of an order or suborder (Pinnipedia) of aquatic carnivorous mammals (such as a seal or walrus) with all four limbs modified into flippers.

Taxonomic Relationships of Alaska Pinniped Species Family Characteristics of Alaska Pinnipeds Representatives of all three pinniped families are present in Alaska waters. Otariidae ("eared" seals) …

The infraorder Pinnipedia consists of 3 families containing 34 extant species belonging to 22 genera and divided into 48 extant subspecies, as well the extinct Caribbean monk seal and Japanese sea lion …

Pinniped any seal, sea lion or walrus. Pinnipeds are semi-aquatic mammals, dividing their time between water and land habitats. They are characterized by a coat of fur, whiskers, and fore and hind flippers. …

In fact, the word pinniped means "fin-footed" in Latin. Those fin-shaped feet make them supreme swimmers, and all pinnipeds are considered semi-aquatic marine mammals.