5 fun facts about Penguins Penguins are some of the most interesting and unique birds. Discover 5 fun facts about these creatures with Penguin Keeper, Alex! 1. Gentoo Penguins are the fastest of all penguin species! These penguins can swim at speeds of up to 36km/h! That's 4 times faster than any Olympic swimmer! 2. The oldest penguin fossils are 62 million years old That is only 3 million years after the dinosaurs disappeared! 3. Penguins poop every 20 minutes Penguins have a very fast metabolism this means they need to poop, a lot! 4. A penguins black and white colouring is called counter-shading. All penguin species share counter-shading camouflage. This means they have a lighter belly and a darker back, and helps them camouflage from predators above and below them. 5. Penguins are expert divers! Penguins dive to catch their food. The E