A bat is a small mammal that is active at night.

I saw a flying squirrel in the park.

My pet gerbil is very cute.

The salmon shark is a large shark that lives in the North Pacific.

My pet is a Mongolian gerbil.

The kangaroo is a species native to Australia.

It is said that the fur of a fire-rat is resistant to fire.

The fur of a fire rat is very valuable.

A shrew is a small mammal that mainly eats insects.

A light shower occurred in the park, and the children were delighted.