The Peterson (Roger Tory) Reference Guide series of bird identification books continues with another fine ID assist, perhaps the most-needed of recent issues. Latest in this series deals with North ...
Impress your friends and learn how to identify birds by their calls with one of the best bird song identification apps — suitable for all age ranges. When you purchase through links on our site, we ...
"A Scott & Nix edition"--page [ii]. Introduction : Classification of birds ; Equipment for birding ; Learning to identify birds ; Psychological effects and mistakes ; Variation in appearance ; ...
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