The female can bear the offspring of only one male at a time.

Females bear a single pup, which they care for alone.

The female can bear young twice per year, in litters of one to four.

Females bear young every two years following a 160 to 180 day gestation.

After approximately 150 to 180 day gestation, females bear single young.

These animals are characterized by a slow reproduction rate: females only bear young once every two to four years.

Females reach maturity at age four and bear one pup a year.

His species became sexually mature at eight, after all, and the females could bear a litter of six every year.

Females bear a single offspring between March and May, every two years.

Females bear 4-9 young twice per year in shallow water, after a gestation period of four months.