iBird Guide to Birds of North America

Have it on apple, android and now windows. Interface, illustrations and pictures are great. My grandson loves to play with it. Make it faster if you can. Sibley looks good too.

Database is very large. Easy to limit database to my area(state). Love the pictures and lists of similar birds to verify my birds ID. One wish is to have female birds to be included in database.

Nice artwork and the bird photos are great. Lots of information, range maps, habitats etc. If you've used the iPhone app this one is easy to understand but not as comprehensive.