Large, warm blooded animals which suckle their young. This includes animals with naked skin, horizontally flattened tails nostrils (blowhole) on top of head. Whales, Dolphins, Seals, Manatees.
Galapagos Sea Lions (Zalophus californianus wollebacki) playing with diver's bubbles A bottlenose dolphin swimming alongside our boat in the Greek Islands Australian sealion Grey seal in weeds, (Halichoerus grypus)