animals

Biology

The World of Mammals

A mammal is an animal that feeds its babies with milk when it is young. There are over 4,500 types of mammals.

Biology

Amphibians

Amphibians are animals that live on land and in water. They were the ancestors of today’s reptiles and mammals and the first vertebrates to appear on land.

Environment

Whaling

Whales have been hunted for their meat and oil for centuries. In the 18th and 19th century, whaling became an industry. As time went on, whaling fleets caught more whales than the animals could reproduce.

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