The research was undertaken in the Masai Mara area of Kenya, in the traditional breeding grounds of the topi.

Individual females mate, on average, with four males, while some reach 12 different partners. And each male is mated with approximately 11 times.

Contrary to conventional sexual selection theory, female topi antelope are the aggressive ones.

Topi antelope come together at one particular time of the year and in one particular place for just over a month to mate. Females are fertile for one day only.

It is not uncommon to see males collapsing with exhaustion as the demands of the females get too much for them