Now on Sale!!!The most popular printed field guide to North American birds is now available in its entirety on the iPhone and iPad!**If you would like to experience the app check out the newly release...

National Geographic presents an innovative, beautiful, and interactive field guide to the birds of North America for all your Apple devices. Whether you are new to bird-watching or already an expert, ...

Featured in Apple's 'Apps for the Great Outdoors' and 'New and Noteworthy Reference Apps' and in the New York Times!Check out our 5 star reviews! "Finally a real tracking app!!!" "The best tool I've...

National Geographic presents an innovative, beautiful, and interactive field guide to the birds of North America for all your Apple devices. Whether you are new to bird-watching or already an expert, ...

Featured in Apple's 'Apps for the Great Outdoors' and 'New and Noteworthy Reference Apps' and in the New York Times!Check out our 5 star reviews! "Finally a real tracking app!!!" "The best tool I've...

This is a LITE version of The Sibley eGuide to the Birds of North America but is fully functional and includes ONLY 30 species, compared to 813 species in the full app. If you like the way this app wo...

Quickly identify over 160 common birds seen in the backyards of North America, with Roger Tory Peterson's innovative identification system, time-tested illustrations, and our unique display of similar...

Quickly identify over 160 common birds seen in the backyards of North America, with Roger Tory Peterson's innovative identification system, time-tested illustrations, and our unique display of similar...

A great mobile field guide for the season.Nothing beats Audubon mobile field guides! With 1 million downloads, they are the most trusted authoritative field guide collection in North America. Highest ...

This is a LITE version of The Sibley eGuide to the Birds of North America but is fully functional and includes ONLY 30 species, compared to 813 species in the full app. If you like the way this app wo...

***The most comprehensive identification tool for fungi, toadstools, field mushrooms, truffles, puffballs and brackets*** ***Catalogues more than 1500 species of mushroom, with over 2,500 photographs*...

***The most comprehensive identification tool for fungi, toadstools, field mushrooms, truffles, puffballs and brackets*** ***Catalogues more than 1500 species of mushroom, with over 2,500 photographs*...

A great mobile field guide for the season.Nothing beats Audubon mobile field guides! With 1 million downloads, they are the most trusted authoritative field guide collection in North America. Highest ...

**iTrack Wildlife Lite allows you to try out many of the features of iTrack Wildlife but is limited to 5 species.**iTrack Wildlife is the most comprehensive digital field guide to animal tracks ever m...