how long is a rhino pregnancy
Confidence votes 8.9K. A Black Rhino is pregnant usually between 419 and 478 days, or 15 to 16 months. The mother will give birth to a single calf, weighing in on average 35 to 50 kg, (about 80 pounds). The calf will stay with it's mother anywhere from 2 to 3 years, and sometimes, if the calf is female they may stay longer, and form a family type group of females. For more details, see the sites listed below.