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.
Stirge
A stirge resembles a giant mosquito about the size of a housecat, being one foot long and half a foot wide and tall. It has a set of four leathery, bat-like wings with a span of two feet. It has a long, sharp proboscis, a short tail, barbed legs, and a row of short, curly hairs along the spine. Stirge coloration ranges from brown to rust-red, with the proboscis being pale pink.