Mammals can maintain a constant body temperature.

The Steller's sea cow was a large marine mammal that once lived in the North Pacific.

This forest is a habitation for many animals.

Many types of animals inhabit this forest.

The Pacific Ocean is the largest ocean in the world.

A sea cow is a very large aquatic mammal.

I found a beautiful sea slug at the bottom of the sea.

This large-sized TV fits perfectly in the room.

We learned about the protection of the main sea.

My house is located to the north.