Penguins are some of the most recognizable and beloved birds in the world and even have their own holiday: World Penguin Day is celebrated every year on April 25. Penguins are also amazing birds because of their physical adaptations to survive in unusual climates and to live mostly at sea. Do you know what makes penguins so special and interesting?

Illustration: Hugo Lin © The Spruce, 2018

Penguin Trivia