Penis
Domestic cats have barbed penises, with about 120–150 one millimeter long backwards-pointing spines. Upon withdrawal of the penis, the spines rake the walls of the female's vagina, which is a trigger for ovulation. Lions also have barbed penises. Male felids urinate backwards by curving the tip of the glans penis backward. When male cheetahs urine-mark their territories, they stand one meter away from a tree or rock surface with the tail raised, pointing the penis either horizontally backward or 60° upward.
Black-footed cat
The black-footed cat is the smallest wild cat in Africa and rivals the rusty-spotted cat as the world's smallest wild cat. Males reach a head-to-body length of with tails long. Females are smaller with a maximum head-to-body-length of and tails long.
Adult resident males weigh on average and a maximum of . Adult resident females weigh on average and a maximum of .
The shoulder height is about .