Ostriches can't fly. Why do they have this name?

Not all birds can fly. An ostrich is called an ostrich because it has the characteristics of a bird.

Ostrich belongs to the family Ostrich and is the largest bird in the world. Ostriches generally live in desert grasslands and savanna areas in Africa. Because of its high economic value, fast growth and strong reproduction, it is widely domesticated in many countries.

1, ostriches have the characteristics of birds.

Ostrich belongs to birds because it conforms to the characteristics of birds. That is, bipedal, constant temperature, oviparous vertebrates: the body is streamlined, spindle-shaped or spindle-shaped, with wings, and most of them can fly and live. Birds are covered with feathers, and their forelimbs generally become wings (some species' wings have degenerated); Short rectum, large appetite and fast digestion; The body temperature is constant. So ostriches belong to birds, just because ostriches can survive without wings and no longer need to fly.

2. ostriches can't fly

As the ostrich is the largest bird in the world, it weighs 300 Jin, is 2-3 meters tall, has a long neck and stout feet. It can't fly because it's too heavy, and also because it doesn't fly very much. Its toes are strong and strong, suitable for running fast on the grassland.

3. The function of ostrich wings

Although the flight function of ostrich has deteriorated, its wings still have some functions. Once the ostrich adapts to the environment and its legs and toes are well coordinated, it can run like a fly and run very fast. Its sprint speed can reach 70 kilometers per hour. At the same time, strong legs are still the main defensive weapon, which can even kill lions and leopards. When an ostrich runs with the wind, its wings can be used as sails to run with the help of wind, and can also block the sun. Sometimes little ostriches hide under their mother's huge wings. When the enemy comes, the ostrich will flap its wings and demonstrate to the enemy.

Readers, what do you think of ostrich wings? Welcome to express your opinion in the comments section.