These flightless birds are native of Africa and by their huge size it is the largest bird in the world. Life span of an ostrich is about 30–40 years. Ostrich belong from the (flightless) Ratite family. They weigh about 100–160 kg. Their size is 7–9 feet. They cannot fly but have lightning speed of about 70 km per hour when they run. Amongst all the birds Ostriches have the biggest eyes which is 5 inches long. An egg of the ostrich weighs about 1500–2300 grams. This gigantic birds are quick Read more [...]