A female will breed twice during the summer season and raise between two to six young.

Adults breed only once during their lifetime, which is close to 20 days.

How often an individual can breed during a breeding season is unknown.

They breed in small ponds and wetlands during the summer months.

They are the only Antarctic animal to breed during the winter.

About half of females and most males breed during their first autumn.

By contrast, very few individual orchid plants will breed during any given year.

If the mare is not pregnant, she may be bred again during her next cycle.

They are believed to breed during the dry season, and to give birth to a single young after a gestation period of around ten weeks.

They breed on steep cliffs during summer with a clutch of 10 to 11 eggs.