Does a mammal have fur?
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Just so, do all mammals have hair or fur?
All mammals have fur or hair. Even mammals that swim under the water (like dolphins and whales) have hair. Though you would need a magnifying glass to see the fine hair on the lips of a young whale. Mammals are the only animals with true hair.
Subsequently, question is, what mammals dont have hair? Then we have several groups of mammals which have little or no body hair: extremely large mammals, extremely fast-swimming mammals with specialized skin, naked mole rats, some pigs, and humans. The group of extremely large mammals include elephants, hippos and rhinos, as well as whales, manatees and dugongs.
Accordingly, why do mammals have fur?
Mammals are warm-blooded, which means that we require a high internal body temperature to survive. Very few animals other than mammals are warm-blooded. A layer of hair or fur even as thin as the hair on our arms can trap air and create an insulating layer between our skin and the colder temperatures outside.
What animals have fur?
Common furbearers used include fox, rabbit, mink, beaver, ermine, otter, sable, seal, coyote, chinchilla, raccoon, and possum. The use of fur in clothing has become controversial, but fur clothing is still a large market.