Birds are natural enemies of pests and friends of human beings.

Pay attention to migratory birds and protect the environment.

Protecting birds and wildlife is everyone's responsibility.

I advise you not to pat a bird. My son will be in the nest waiting for his mother to come back.

Please protect birds, for the sweet songs of the Ming Dynasty.

It is glorious to protect birds, but it is shameful to shoot them.

There can't be only humans left on the earth.

Care for life and protect birds.

A bird died today, and a group of people will die tomorrow.