Common ostrich other members of Palaeognathae and thus the flighted tinamous are the sister group to the extinct moa. It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of or even up to about , the fastest land speed of any bird. The common ostrich is the largest living species of bird and lays the largest eggs of any living bird (extinct elephant birds of Madagascar and the giant moa of New Zealand laid larger eggs). The common ostrich's diet consists mainly of plant matter, though it also eats
Say's phoebe fashion. They attach their nests under bridges, canyon walls, wells and abandoned mine shafts. The nest is made by the female and is cup-shaped. It is made of grass, forbs, moss and plant fibers lined with hair and other fine materials. She lays three to seven, but usually four or five, white, mostly unmarked, eggs. Some have red spots. The eggs are roughly . Say's phoebe The Say's phoebe ("Sayornis saya") is a passerine bird in the tyrant flycatcher family. A common bird in the western United States. It prefers dry, desolate areas. This bird was named for Thomas Say,