Whales and seals are the largest marine mammals in the Southern Ocean.
The blue whale
No animal lives on the Antarctic continent: it's too cold and there is no food chain. Marine mammals and marine birds, however, are known to breed on Antarctica's beaches. Otherwise, these animals live at sea.
The average size of a blue whale's brain is the largest among all marine mammals.
Euphasia supberba, Antarctic krill, form the base of the food chain in the Southern Ocean that surrounds Antarctica. All sea birds and marine mammals dine on krill.
The blue whale has the largest brain of any animal on Earth, including other marine mammals. It can weigh up to 20 pounds, which is much larger than the brains of most other marine mammals.
There are no land mammals in or on Antarctica. There are only marine mammals.
The largest Antarctic marine mammal is the southern elephant seal (Mirounga leonina). This species of seal can weigh over 8,800 pounds and reach lengths of up to 20 feet. They are known for their large size and loud vocalizations during the breeding season.
Dolphins
Yes all marine mammals have eyelids.
Marine mammals do not live on land, and no marine mammals lay eggs. Marine mammals include whales, dolphins and porpoises.
No, penguins are not marine mammals. They are birds that are adapted to living in aquatic environments. Marine mammals include animals like whales, dolphins, seals, and sea otters.
Marine mammals.