The next time you are roaming out in the American Southwest and you come across a sparrow-sized, cactus-dwelling owl and you are wondering, “Hey, what kind of tiny owl is that anyway?” you can download the Audubon bird guide app and find out everything you’ve ever wanted to know about the cutely compact elf owl and 800 other species of North American birds. Did we mention it’s free? Yep, it’s free! If you’d like to go book-deep with your elfin owl education, Owl by Paul Bannick explores the life cycle and habitats of the world’s smallest owl along with 18 other species of North American owls.