In the Northern Hemisphere, summer is from June to August.

I have been to Wuhai city.

The common murre lives in the oceans of the Northern Hemisphere.

This forest is a habitation for many animals.

Many types of animals inhabit this forest.

We learned about the protection of the main sea.

I go to the sea every summer.

The color of a crow's feathers is black.

This forest is a habitat for many kinds of animals.

He is an expert in oceanography.