Kirk's dik-dik is a small African antelope that usually forms male-female pairs. It is possible that monogamy evolved in this species because males are required to protect offspring from other rival males. This would be an example of the

Kirk's dik-dik is a small African antelope that usually forms male-female pairs. Males place their scent marks over those of the female, which hides the signals of sexual receptivity that females produce when they are fertile. This finding supports the

Kirk's dik-dik is a small African antelope that usually forms male-female pairs. If males are experimentally removed from pairs, females wander from their territories into the territories of other males. This finding supports the