Marine mammals. Blue whale. Sea lion. California sea lion. Gray whale. Harbor seal. Humpback whale. Common dolphin. Long-beaked common dolphin. Elephant seal. Northern elephant seal. Orca. Pacific white-sided dolphin. Risso's Dolphin Breaching. Risso's dolphin. Short-beak common dolphin. read more
Marine mammals are aquatic mammals that rely on the ocean and other marine ecosystems for their existence. They include animals such as seals, whales, manatees, sea otters and polar bears. They do not represent a distinct taxon or systematic grouping, but rather have a polyphyletic relation due to convergent evolution, as in they do not have an immediate common ancestor. read more