Ostrich

There are 9 known species of ostrich

The common ostrich is the largest living species of bird and lay the largest egg of any living bird

Ostrich live in nomadic groups of 5 to 50 birds during breeding season and spend winters in pairs or alone

The fastest land speed of any bird, ostriches can run for a long time at 34 mph and short bursts up to 43 mph

Ostriches have the largest eyes of any land vertebrate, 2 inches in diameter

Male ostriches have retractable copulatory organs up to 8 inches long

Ostriches can only kick their legs forward

Contrary to popular belief, ostriches do not bury their head in sand to avoid danger

Fewer than 10% of nests survive the 9 week period of laying and incubation and of the surviving chicks, only 15% of those survive to 1 year of age.

Ostriches can be found at the Houston Zoo

Facts provided by Wikipedia