The Sibley eGuide to Birds App

Last Updated on November 22, 2014 at 4:11 PM The Sibley Guide to Birds – the most popular, most comprehensive, and fastest-selling printed field guide to North American birds – is now available in digital form as an app for several mobile phone platforms. Scroll down for a description of features. FAQ and trouble-shooting is … Continue reading The Sibley eGuide to Birds App