Scientists think this high level of gas in their blood may protect them when they dive to deep levels in the ocean. They only pop up for air when they find holes in the ice layers above the ocean.Harp seals can stay underwater for up to 15 minutes. Alina Bradford is a contributing writer for Live Science.The taxonomy of seals, according to ITIS, is: Eared seals (fur seals and sea lions) A killer whale identifies a Weddell seal resting on an ice floe off the western Antarctic Peninsula.The whale will notify other killer whales in the area so they can coordinate a wave to wash the seal off the floe.When mating season comes, male seals will issue deep, throaty calls to attract the attention of females.
Leopard seals will eat penguins and smaller seals, according to Seals World.
All pinnipeds — seals, sea lions and walruses — are protected in U. waters under the Marine Mammal Protection Act, according to NOAA.
Most seals are not considered endangered, according to the Red List of the International Union for Conservation of Nature (IUCN). The Galápagos fur seal and the monk seal are both endangered.
In the wild, these animals live along the West Coast of North America. Fur seals and sea lions live in the Northern Pacific between Asia and North America and off the coasts of South America, Antarctica, southwestern Africa and southern Australia.
They are often seen sunning themselves on beaches, docks and jetties. They can spend about two years in the open ocean before returning to their breeding grounds, according to the NOAA.