This app is great for any birder or nature enthusiast interested in North American Owls! The app is filled with the 19 owls that occur throughout North America. For each species, the app has multiple images, the range map, several calls, and a detailed description. In addition, there is a Natural History of Owls on the app that provides general information on owls as a whole. The app also contains several videos showing multiple adaptations that help owls live the way they do. Audubon also added a fun feature to this app called Owl Fun, which contains a set of puzzles, a audio quiz, and a photo quiz for those who want a challenge on their owl ID. So for any owl enthusiast, this is the app for you. You can enjoy all 19 owls of North America in one easy to navigate app that is now free at this link. Below are some screenshots off of an iPod Touch to show a couple features of the app. Remember Audubon has many great apps that can be viewed at this link.