Did you know that a group of penguins on land is called a "waddle"?
They're speedy swimmers, adorable waddlers, and frequent movie stars. I mean, what's not to love about penguins? These cute native animals of the Southern Hemisphere are just as fascinating as they are adorable — so in honor of Penguin Awareness Day, we've rounded up some of the best trivia facts about the cutest birds on the planet. Celebrate the holiday on January 20 this year with these 30 fascinating facts you never knew about penguins, including fun info about their powerful abilities as well as their delightful behaviors (did you know that they love "tobogganing," or sliding across the ice on their bellies?). There's surprisingly a lot to learn about these flightless birds, so scroll through these amazing photos of penguins for some truly mind-boggling facts — and afterwards, be sure to check out some equally fascinating facts about their marine counterparts, the majestic whale and the amazing polar bear.