The ostrich is a large flightless bird that lives in Africa. Ostriches are the largest living bird species, and they have the biggest eggs of all the birds in the world. They also are the fastest bird at running.Ostriches have long legs and a neck, and a small head. Male ostriches have black feathers and female ostriches have gray-brown feathers. Both males and females have white feathers on their wings and tails. Male ostriches can be 1.8 - 2.7 metres / 6 - 9 feet tall, while female ostriches are 1.7 - 2 m / 5.5 - 6.5 ft tall. They can run with a speed of about 65 kmh /40 mph