What are the words of praise for birds?

The thrush is covered with brown feathers, and there is a circle of white outside its eyes, just like it was painted by a skillful hand, which is beautiful and moving.

The geese sang loudly and whispered excitedly all the way, rushing into their mother's arms like children.

Swallows crossed the sky and cut out a blue shirt for the sky; Fly over the field and cut a green skirt for the field.

Characteristics of birds:

It is a higher vertebrate adapted to life on land and in the air.

Long feathers can keep the body warm; There are protruding keel processes on the chest, and there are many gaps in the whole body bones, which are full of qi, so they are light; The forelegs become wings, and the hind legs walk. Most of them can fly and have a wide range of activities. Some of them can't fly because of the degradation of their wings, and their activity areas are relatively small, such as ostriches, penguins and most poultry.

Horny beak, toothless, some birds have migration behavior. Greatly improved the survival rate of chicks. Birds can build nests, hatch eggs, brood and migrate. There are many kinds and quantities with traces all over the world.