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.
Otostegia integrifolia
A much-branched shrub, growing to a height of 4 m; the stem angled and older stems ash grey and flaking, often bearing paired spines at the nodes. Leaves are simple, nearly sessile, ob-lanceolate to lanceolate, 2–9 cm long, cuneate at the base, clothed on both sides with white tomentum; aromatic, the edge double toothed or round toothed. Flowers are two-lipped with yellow or yellow-orange lower petal and white or cream-colored upper petal, the orange anthers held inside the upper petal. Whorls few or many, 5–6-flowered; bracts rigid, tricuspidate. Calyx sessile; tube 1/4 in. long, densely pubescent, with 10 raised ribs; upper lip small, oblong, pointed, entire; lower orbicular-cuneate, 3/4 in. broad, faintly crenate.