People interested in ornithology may already know beautiful birds and their names, but for those of us that don’t recognize different bird plumage we need a list to find the most beautiful bird in the whole world. Whether it’s the strikingly white Snowy Owl, the pink Flamingo, the colorful keel-billed Toucan or the bright Blue Jay, these are some of the most amazing bird species on the planet. In honor of Bird Day on May 4th, WatchMojo counts down ten of the most gorgeous birds on Earth.