Listen to compliance expert Tom Cuthbertson clearly and simply explain: 1  What the ELD Mandate is, and what itâs supposed to achieve. 2  How to know if it applies to you. 3  Fleet and driver benefits.
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.
Elephants have the longest gestation period of all mammals. These gentle giants' pregnancies last for more than a year and a half. The average gestation period of an elephant is about 640 to 660 days, or roughly 95 weeks.By comparison, a human pregnancy lasts an average of 280 days, or 40 weeks.Female elephants live for 60 to 70 years, but only have about four offspring throughout their lifetime. Although elephants usually only carry one baby at a time, one to two percent of elephant births produce twins.y comparison, a human pregnancy lasts an average of 280 days, or 40 weeks. Female elephants live for 60 to 70 years, but only have about four offspring throughout their lifetime. Although elephants usually only carry one baby at a time, one to two percent of elephant births produce twins.