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.

23 / 33

Squirrel Cuckoo (Piaya cayana) is a large and active cuckoo species found in forested environments from northwest Mexico to northern Argentina and Uruguay and Trinidad. Some officials have separated the western Mexican form as a Mexican squirrel cuckoo.Photo credit;Claudio Lopes/In Brazil.