Are whales and dolphins mammals?

Whales are mammals because they give birth to live young, they have fur (although it is very sparse on their body), they have lungs and breath air and they provide milk for their young. Answer 3: You have a lot of interesting questions about marine mammals. Dolphins and other whales are all mammals called cetaceans. read more

Whales, dolphins, porpoises, seals, walruses, and many other marine animals are mammals, not fish. The marine mammals exist because about 50 to 60 millions of years ago, some mammals wandered off of the land and into the ocean, and there they evolved into different types of marine mammals. read more

Although dolphins are widespread, most species prefer the warmer waters of the tropic zones, but some, like the right whale dolphin, prefer colder climates. Dolphins feed largely on fish and squid, but a few, like the killer whale, feed on large mammals, like seals. read more

The dolphins form the largest group, and (rather confusingly) include the orca, or killer whale, as well as the pilot whales. Marine dolphins can be found all around the world, varying in size and colouration, but rarely coming closer inland than bays or estuaries. read more

Whales, dolphins and other marine mammals communicate with each other underwater. Each species of marine mammal has a unique vocalizations that it uses to communicate with its family, friends and neighbors. read more