The single calf remains with the mother for at least two years, before being weaning.

Females give birth to a single calf as a result of a pregnancy.

They produce a single calf once every 2 or 3 years.

After a long gestation period, normally a single calf is born.

Females give birth to a single calf per breeding season.

Females reproduce every 2-3 years, usually to a single calf.

After a 220 to 240-day-long gestation period, normally a single calf is born.

After a gestational period of seven months, a single calf is born.

A single calf is born after a gestational period of 15 months.

A single calf is born every two or three years.