Webpages Related to the Tag Birds

Birds are a group of warm-blooded vertebrates constituting the class Aves. They are characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds are unique in having feathers, the major characteristic that distinguishes them from all other animals. Although all birds have wings, a few species can't fly. Here are some fun online games tagged with the keyword bird or birds.