It must be sair hard to mate once every seven years.

They will only mate once every seven years.

Often females only mate once a year, and this usually occurs eight days postpartum for about 13 minutes on average.

They mate once a year and have several babies, which are called kits.

This damage to the male genitalia means that these males can only mate once.

And they live only a couple of years, mating only once or twice.

They are estimated to mate once every two years, with an average litter of around eight.

Depending on the region, they mate either once or twice per year.

The males only mate once in their short lifetime, but the females can get pregnant repeatedly.