The Moas (Dinorniformes) were giant flightless birds native to New Zealand. They were comprised of 9 species in 6 genera, ranging from the size of turkeys to surpassing the ostrich in size. The largest was the South Island Giant Moa, which could grow to a height of about 3.6 meters (about 11ft) and weigh up to 250 kg (about 770lb). They belonged to a group of birds called ratites, which also includes ostriches, emus and kiwis. Genetic studies suggest that the closest living relatives of the Moa