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.

Eurasian Blue Tit (Cyanistes caeruleus) is a small bird of blue-yellow color from the titidae family.Photo credit:José Antonio Cucharo/Spain.