To survive, baby koalas eat a special kind of poop produced by their moms—pap—which helps them digest eucalyptus leaves. It may sound off-putting, but it’s a life-saving precaution. Curious which other animals do it too and why? Head to the 🔗in bio to find out. Watch #Underdogs, narrated by @Ryan Reynolds Sundays at 9/8c on @National Geographic TV simulcast on @ABC All episodes now streaming on @Disney and @hulu.