Scientific Classification :

Sea otter : Sea otter

Manatees : Manatees

Dugongs : Dugongs

Seals : Seals

Walrus : Walrus

Sea lions : Sea lions

Whales : Whales

Sperm whales : Sperm whales

Beaked whales : Beaked whales

Dolphins : Dolphins

Porpoises : Porpoises

Dolphins