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

3. Protect birds and add color to the environment.

A bird that dies today is a group of people who die tomorrow.

5, advise you not to hit the branch bird, the child is waiting for his mother to come back in the nest.

6. Protect birds and biodiversity.

7. The song of birds is the most beautiful melody of nature.

8. Love birds! Don't let the tree feel lonely.

9. Paradise on earth needs birds and flowers.

10, birds are natural enemies of pests and birds are friends of human beings.

1 1, our home needs birds and flowers!

12, let's mobilize, love birds and protect them.

13, on earth, birds also have life.

14, under the blue sky, people and birds * * * home.

15, take birds as friends, forever.

16. Birds are a part of beautiful homeland!

17, catching birds with a net is freedom and self.

18, when there are no birds singing in the world, it will naturally fall into silence. If the sky stops flying, mankind will be lost forever.

19, science loves birds better than having you.

20. Give birds a world and make nature more beautiful. Give birds some space and make life full of harmony.

2 1. Protecting birds means protecting nature's flute and guitar.

22, the blue sky only birds will inhabit, don't let the sky become lonely.

23. Let's listen to the most beautiful melody of nature, the songs of birds.

24. Give the birds a little love, and mankind will not only gain the beauty in the sky.

May the sky no longer be lonely and let the birds sing the music of nature.