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.
Gloydius strauchi
Gloydius strauchi is a venomous pitviper species endemic to western China. It is a small snake with a pattern of four longitudinal stripes, although some older specimens may be a uniform black. "Gloydius strauchi" may be distinguished from "G. monticola" by its higher midbody dorsal scale count. This species jointly holds the altitude record for pitvipers together with "Crotalus triseriatus" of Mexico, both being found even above the tree line at over . No subspecies are currently recognized.