Books, Apps and eBooks (Birding Apps)
The new bird guide is specially designed for beginner to intermediate-level birders and uses habitat as the initial filter for finding a bird you have seen.  The new Birdzilla.com guide contains 2,000 high-quality photographs of over 650 species.
Available on Amazon.com or at Barnes&Noble.
https://www.youtube.com/watch?v=VQeMN1xUxcY