The Most Beautiful Rare Birds In The World

Birds, unlike other living worlds have some features. They are the first constant temperature organisms. Notably, all of its members are covered with feathers that are not seen in any other animal group. The anterior members are turned into wings and the bones in the posterior members are lined up to form the intertarsal joint. There are highly developed sound boxes where the trachea and bronchi are located.

8 / 33

The American kestrel is a fine-born species of kestrel, which belongs to the group of day-birds of the day-bird family of predators. The American kestrel, which is about the size of a blackbird, is the smallest born species in North America.Photo credit: Karen L. Sirna.