An animal with a wide flat tail and strong teeth. Beavers live in water and on land and can build dams (= barriers across rivers), made of pieces of wood and mud. It is an official symbol of Canada.
An African or Asian animal like a deer, that runs very fast. There are many types of antelope. An antelope is a member of a number of even-toed ungulate species indigenous to various regions in Africa and Eurasia.
An animal with long legs, that eats grass, leaves, etc. and can run fast. Most male deer have antlers (= horns shaped like branches). There are many types of deer.