Whales, as mammals, are vertebrates and have internal skeletons composed of bone. Whales live in all oceans and seas with the exception of the Caspian and Aral seas.The first whales are believed to have appeared approxim... More »

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The number of bones varies from one species of whale to another and is dependent, in part, on the length of the whale's spine. Sperm whales contain 164 bones, while the blue whale, the largest animal on earth, has 356 bo... More »

Whales have hair, as all species of whales are aquatic mammals. Instead of having scales, like most other marine animals, whales have a fine layer of hair over their bodies. More »

In general, whales are large, streamlined aquatic mammals with eyes, a mouth, a blowhole and two flippers and a tail that are used for swimming. But within the general category of whales, there is a lot of diversity when... More »

Whales are mammals that have an incredibly size range, yet all whales fall between 13 feet long and 90 feet long. The blue whale, the largest known whale or mammal, ranges from around 70 feet to 90 feet. Most other well-... More »

Whales have hair, as all species of whales are aquatic mammals. Instead of having scales, like most other marine animals, whales have a fine layer of hair over their bodies. More »

All whales are mammals. Whales, along with dolphins and porpoises, are cetaceans, meaning that they are part of the order Cetacea, one of the taxonomic branches of marine mammals. More »

www.reference.com Pets & Animals Mammals Marine Mammals