Common ostrich
Common ostriches usually weigh from , or as much as two adult humans. The Masai ostriches of East Africa ("S. c. massaicus") averaged in males and in females, while the nominate subspecies, the North African ostrich ("S. c. camelus"), was found to average in unsexed adults. Exceptional male ostriches (in the nominate subspecies) can weigh up to . At sexual maturity (two to four years), male common ostriches can be from in height, while female common ostriches range from tall. New chicks are fawn in colour, with dark brown spots. During the first year of life, chicks grow at about per month. At one year of age, common ostriches weigh approximately . Their lifespan is up to 40–45 years.
Moustached turca
It is a stocky bird, 23–24 cm long, with a heavy bill and strong legs and feet. The tail is often held cocked. The plumage is mostly brown with white barring on the breast, belly and undertail-coverts. The bird has a dark eyestripe, white eyebrow and a broad white moustachial stripe. The bill and legs are black. The northern race "atacamae" is smaller and paler with less obvious barring on the underparts.