Koalas might appear to be all cuddly and sleepy, but these star Australian marsupials are full of interesting surprises. Slightly resembling teddy bears, these marsupials are tree-climbing mammals ...

Often referred to as "koala bears," koalas are actually not bears, but marsupials like kangaroos, opossums and wombats. And their itty-bitty babies are called joeys, born into the world hairless and ...