Welcome to the wonderful world of owls! Learn what distinguishes owls from other birds and about their diversity. Find out which owls are the biggest, smallest, and most unusual in this self-paced, online course! | Cornell Lab of Ornithology

There’s more to owl sounds than just “hoo, hoo.” Each species of owl has its own unique call — sometimes more than one. Learn more and get tips on what to listen for outside in this article: https://abcbirds.org/blog21/owl-sounds/ Press play with the sound on to listen to a Northern Saw-whet Owl call recording by Micah Riegner | American Bird Conservancy