Height: 210-280cm

Mass: 100-145kg (males)

Description: The common ostrich is the largest living species of bird and lays the largest eggs of any living bird. The feathers of adult males are mostly black, with white primaries and a white tail. Females and young males are greyish-brown and white. The head and neck of both male and female ostriches is nearly bare, with a thin layer of down. The skin of the female's neck and thighs is pinkish gray, while the male's is gray or pink dependent on subspecies.