The OSTRICH (7 letters) is the largest living bird in the world. It is native to Africa and can reach up to 2.7 meters in height and weigh up to 156 kilograms. Ostriches are flightless birds, but they are the fastest two-legged animals on land, capable of running at speeds of up to 70 kilometers per hour. They are also the only bird with two toes on each foot. Ostriches are omnivorous, eating both plants and animals, and they live in small groups or pairs.