Dolphins are mammals, not fish. They, along with porpoises and whales, are cetaceans — marine mammals belonging to the order Cetacea. Unlike fish, dolphins are warm-blooded, not cold-blooded, and breathe using lungs inst... More »

www.reference.com Pets & Animals Mammals

Dolphins are mammals because they have all of the major characteristics of mammals; they breathe through lungs, they are warm-blooded, they produce milk for their offspring and they have hair. There is also evolutionary ... More »

Dolphins are carnivorous mammals. One of the best known species of dolphin is the bottlenose dolphin, which lives all over the world in warm waters and is the species often featured in aquatic shows and movies. More »

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Dolphins are mammals, and all mammals have some type of hair. There is a misconception that the bottlenose dolphin has no hair on its body, but dolphins do have a small area on their noses that produces hair. More »

www.reference.com Pets & Animals Mammals Marine Mammals

Dolphins are mammals because they have all of the major characteristics of mammals; they breathe through lungs, they are warm-blooded, they produce milk for their offspring and they have hair. There is also evolutionary ... More »

Minks eat crayfish, frogs, ducks, mice, rabbits, fish, shrews and other small mammals. Their diet varies depending on the time of year and will change to fit the needs of the season. More »

Whales are classified as mammals and not as fish because they give birth to live young. They also have a sparse amount of fur on their bodies, they have lungs that breathe air and they give milk to their young. More »