A cheetah at the St. Louis Zoo became an octomom when she gave birth to eight cubs last month. The average litter size is 3 to 4, according to the Association of Zoos and Aquariums. Mom Bingwa shocked everyone with the birth of her three male and five female cubs. She's the first known cheetah to produce and rear a litter of eight.This latest generation of cheetahs was made possible by conservation efforts. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.