Bird Guide: Land Birds East of the Rockies
Type
Book
Authors
ISBN 10
1507584830
ISBN 13
9781507584835
Category
Unknown
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Publication Year
1951
Publisher
Pages
136
Tags
Description
"[...]The lengths given are averages; our small birds often vary considerably and may be found either slightly larger or smaller than those quoted. On some of the pages a number of sub-species are mentioned. Sub-species often cause confusion, because they are usually very similar to the original; they can best be identified by the locality in which they are found. Of course the writing of birds’ songs is an impossibility, but wherever I[...]". - from Amzon
Number of Copies
1
