to give birth. By the time blue whale calves are seven months old, they are already 52 feet long and have stopped associating with their mothers. However, the high pregnancy rates of 33 to 50 ...

A blue whale's pregnancy usually lasts for around 10 to 12 months. Baby whales are known as calves, and a blue whale usually only gives birth to one calf at a time, and only one calf every two to ...

But it's the typical size of a newborn blue whale ... long as a human pregnancy! Close behind elephants are giraffes. They drop a 75 kg calf on average. Literally. Mom gives birth standing ...