Largest organisms is frequently poorly documented and many are subject to conjecture and estimation. The largest living bird, a member of the Struthioniformes, is the common ostrich ("Struthio camelus"), from the plains of Africa and Arabia. A large male ostrich can reach a height of and weigh over . A mass of has been cited for the common ostrich but no wild ostriches of this weight have been verified. Eggs laid by the ostrich can weigh and are the largest eggs in the world today. The largest bird in the fossil record may be the extinct elephant birds ("Aepyornis") of Madagascar, which
Zenaida dove Zenaida dove The zenaida dove ("Zenaida aurita") is a member of the bird family Columbidae, which includes doves and pigeons. It is the national bird of Anguilla, where it is commonly (but erroneously) referred to as a turtle dove. It lays two white eggs on a flimsy platform built on a tree or shrub. It also nests in rock crevices and on grassy vegetation if no predators are present. It has been recorded that some birds have up to 4 broods per year. Eggs take approximately two weeks to hatch, and the young chicks typically fledge after only two weeks