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
Savo Island a bird which lays its eggs here and buries them in the warm sand to incubate. The eggs are excavated by local people and are considered a local food specialty. The eggs are slightly larger than a duck egg and are used for preparing omelettes and other dishes. The first recorded sighting of Savo Island by European explorers was by the Spanish expedition of Álvaro de Mendaña in April 1568. More precisely the sighting was due to a local exploration voyage done by a small boat, in the accounts the brigantine, commanded by Maestre de Campo Pedro de Ortega Valencia