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
White-whiskered puffbird White-whiskered puffbird The white-whiskered puffbird ("Malacoptila panamensis") is a resident breeding bird species from southeastern Mexico to central Ecuador. It is sometimes known as the white-whiskered softwing. This puffbird is found in forests, shady plantations, especially of Theobroma cacao, and old second growth in lowlands and foothills up to 1200m. It nests in a long, diameter burrow in, usually, gently sloping ground. The wider nesting chamber is lined with dried leaves. The female lays two, rarely three, glossy white eggs. Both sexes incubate the eggs and feed the young. The white-whiskered puffbird is a stout, large-headed, long bird which weighs