The largest frog in the world is called Goliath frog. Frogs start their lives as 'eggs' often laid in or near fresh water. Frogs live on all continents except Antarctica. Frogs belong to a group of animals called amphibians.

  

 

There are more than 50 different kinds of kangaroos. Kangaroos are native of Australia. A group of kangaroos is called a mob. Young kangaroos are called joeys. 

  

 

Bears whose brown fur is tipped with lighter-colored hairs are called grizzly bears . The smallest species of bears is called sun or Malayan bears. Male bears are called boars. Bears are native to the continents of North America, Asia, Europe, and South America. Alaskan brown bears, world's largest meat-eating animals that live on land, can weigh as much as 1,700 pounds (771 kilograms)