iBird Pro 2 (Android) app for $2.99

iBird Pro 2 for Android is a must-have app for fans of ornithology. Selected Macworld's Best Reference App of 2009, iBird Pro includes entries for more than 900 species of North American birds, along with over 1,000 drawings and 2,500 photos. One notable feature of iBird Pro 2 is five hours of song recordings from the Cornell University Ornithology Lab. Playing bird songs and calls allows you to attract birds right to your device for easier identification and clearer photographs. All illustrations, images, and maps come in full HD resolution; zoom and pinch the screen to view fine detail. All the art in iBird Pro is optimized for Android tablets.