Watch this video entitled Birds: Ostriches to Guinea Fowl. Discover the the physical, behavioral, and ecological similarities of selected species of birds
This title introduce the class Aves, the first group to be termed "warm-blooded." Discover how these birds are grouped into 27 different orders and more than 155 families. Learn about ostriches, penguins, albatrosses, pelicans, flamingos, swans, condors, hawks, eagles, and many more.