1001 Space Earth Nature Evolution Fossils and Prehistoric Life Dinosaurs Simple Animals Insects and Spiders Fish Amphibians Reptiles Birds Sea Mammals Land Mammals Plant Kingdom How Plants Live Unusual Plants Ecology Conservation Animal Behaviour Pets and Farm Animals History Human World Science and Technology

Choose a Page:What is a marsupial?How does a hare keep cool?*Why is it an advantage to be warm-...*Why does a leopard have close-set ...What did the first mammals look like?How does an armadillo hide?How does a bat find its way in the...Which mammal has the longest hair?Can mammals lay eggs?How do monkeys and apes communicate?Which mammal can jump the highest?How do you make a new mammal?Which is the largest land mammal? Why is it an advantage to be warm-blooded? Mammals, along with birds, are animals that are warm-blooded. This means they can make heat inside their bodies, and can stay active even when it is cold. As a result, they can hunt even in the chill of the night and live in places as cold as the polar wastes. A polar bear   Previous: Back Book: 1001 Section: Nature Chapter: Land Mammals