A newborn Koala Joey, which is about the size of a jellybean, is completely blind and must rely on its senses of touch and smell to get to its mother's pouch, where
Koalas: Facts About Iconic Marsupials | Live Science
Baby koala is out of the pouch; L.A. Zoo welcomes new joey - Los Angeles Times
The Size of the Baby Koala Joey at the time of its Birth