An educational and entertaining method for learning bird songs from the bestselling Peterson Field Guides. Instead of merely providing a catalog of bird song samples, Birding By Ear actually teaches. This proven method has greatly enhanced the field experience for birders across North America. Richard K. Walton and Robert W. Lawson have created learning groups of similar vocalizations and clearly point out distinguishing characteristics. Using techniques such as phonetics, mnemonics, and descriptive words, the authors provide a context for learning the songs and calls of eighty-five species of birds found east of the Rockies. Combine the auditory instruction here with the visual features of the Peterson Identification System. Page numbers in 's booklet refer to species descriptions in Peterson Field Guide to Birds of Eastern and Central North America .