100K views · 6.8K reactions | G'day from a few of Australia's finest  What do kangaroos, koalas, and even wombats have in common? They're all marsupials, a group of mammals whose females carry their babies in built-in pouches. These amazing Aussie species all give birth to babies about the size of jellybeans, which then nestle into their mother's pouches to finish growing. #sandiegozoo #sdzsafaripark #marsupials | San Diego Zoo | Facebook