A female oyster over her lifetime may produce over 100 million young.
A mother giraffe often gives birth while standing, so the newborn’s first experience outside the womb is a 1.8-meter (6-foot) drop.
Just like people, mother chimpanzees often develop lifelong relationships with their offspring.
Kittens are born both blind and deaf, but the vibration of their mother’s purring is a physical signal that the kittens can feel – it acts like a homing device, signaling them to nurse.