Is an ostrich a bird?

Ostriches are widely distributed in dry areas of Africa with low rainfall. They are the largest existing birds in the world. They are distributed in the Sahara Desert to the south and all over Africa. Australia was introduced from 1862 to 1869. Because ostriches cannot fly, many people think that ostriches are not birds. In fact, this is wrong. Let's take a look at it together.

Are ostriches birds?

Ostriches are birds. The ostrich is a large, flightless, fast-running African bird and the largest living bird in the world. It is 2.5 meters tall, with black and white feathers, a long, hairless neck, short wings and long legs.

Ostrich in the biological classification above belongs to birds, birds, ostrich order, ostrich family, ostrich birds.

Can ostriches fly?

Ostriches cannot fly. Ostriches are overweight, their wings are too short compared to their bodies, their feathers are degenerated, their feathers lack hooks, and their feathers are scattered and not firm. At the same time, due to non-flight, the keel process possessed by flying birds has also deteriorated and disappeared, and it is unable to attach a large number of wing muscles used for rapid flapping of wings. In fact, the ancestor of ostrich is also a kind of flying bird, which gradually weakened until it lost its ability to fly in the process of evolution.

The ostrich's ability to run is amazing. Its toes tend to decrease due to being suitable for running. It is the only bird in the world with two toes, and the outer toes are smaller and the inner toes are particularly developed. It can leap 2.5m, stride 8m in one step, and sprint at a speed of more than 70km per hour.

What are the characteristics of birds?

Birds have feathers.

2, birds are usually spindle-shaped body, its bones are not only light, hard, but also filled with gas cavity.

The forelimbs of birds evolved into wings and were suitable for flight.

The respiratory organs of birds enable about 75% of inspiration to bypass the lungs and store it in the air sacs.

Birds belong to warm-blooded animals. In addition, birds have two auricles and ventricles, which are generally the same as mammals.