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Flight-feather Molt Patterns and Age in North American Owls

Field / Identification GuideMonographOut of Print

Series: ABA Monographs in Field Ornithology Series Volume: 2

By: Peter Pyle

32 pages, 2 b/w photos, illus, 2 tabs

American Birding Association

Spiralbound | Dec 1997 | #81348 | ISBN: 1878788361
Out of Print Details

About this book

All 19 North American owl species were examined to assess flight-feather moult patterns and the utility of these criteria for ageing.

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