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The Institute for Bird Populations
© 2002

AGEING NORTH AMERICAN LANDBIRDS BY MOLT LIMITS AND PLUMAGE CRITERIA

OUT OF PRINT

Due to increased printing costs and decreasing demand this publication will not be re-printed. However, it will be available for download in PDF format from this web page later this year. Please continue to check this site for updates. Sorry for any inconvenience.

 

AGEING NORTH AMERICAN LANDBIRDS BY MOLT LIMITS AND PLUMAGE CRITERIA

A Photographic Companion to the Identification Guide to North American Birds, Part 1

By Dan Froehlich

A Product of: The Institute for Bird Populations and
The U.S.D.I. Bureau of Reclamation

Contains:
  • 32 color photographs and 2 line drawings illustrating molt limits and ageing (see below)
  • Pointers on each photograph indicating juvenal, first-basic, and alternate feathers among wing coverts, primaries, and secondaries (see below)
  • 49 Total pages including extensive photo-captions and discussion of ageing by molt limits (see below)


Example of one of 32 annotated color photographs included in the Photographic Companion.

 

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