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.
Eublaberus distanti
Nymphs turn a dark brown, and the common name "six spotted cockroach" refers to six yellow spots along the sides of the nymph. Adults of both genders have wings but do not fly. They grow to approximately in length. Males are generally smaller than females, with longer wings, and a small rear sternite compared to females.