The ostrich (Struthio camelus) has long and very strong legs, adapted for rapid running; only two toes with a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male grows to about about eight feet high.
The body of the male is covered with elegant black plumose feathers, while the wings and tail furnish the most valuable white plumes.
The eagle is a large keen-sighted diurnal bird of prey noted for its broad wings and strong soaring flight. A member of the bird family Accipitridae (falcon).
The eagle is remarkable for strength, size, graceful figure, keenness of vision, and extraordinary flight.
The most noted eagles are the golden eagle (Aquila chrysa), the imperial eagle of Europe (A.
mogilnik or imperialis), the American Bald Eagle (Haliaeetus leucocephalus), the European sea eagle
(H. albicilla) and the great harpy eagle (Thrasaetus harpyia).
Swans are stately heavy-bodied aquatic bird belonging to Cygnus, with very long neck and usually white plumage.
The swan has a large and strong beak, a long neck, and are noted fortheir graceful
movements when swimming.
The European white, or mute, swan (Cygnus gibbus), bends its neck in an S-shaped curve.
The chicken (Gallus gallus domesticus) is a domestic fowl bred for meat or eggs. Gallinaceous birds are described as heavy-bodied ground-feeding domestic or game birds including Turkeys, grouse, quail, pheasant and chickens.
The chicken is the most populous bird in the world. Over 50 billion chickens are reared annually as a source of food, for both their meat and their eggs.