Wood duck population trends from the North American Breeding Bird Survey

Published by the Symposium.
Edited by:
Leigh H. Fredrickson , George V. Burger , Stephen P. Havera , David A. Graber , Ronald E. Kirby , and T. Scott Taylor


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The North American Breeding Bird Survey (BBS) has been conducted yearly since 1966, and can be used to describe relative population density and trends of birds in North America north of Mexico. Wood ducks (Air sponsa) are difficult to survey using conventional waterfowl monitoring techniques, but a large portion of their range is surveyed by the BBS. Wood ducks are detected at low densities on many BBS routes, and population trends can be estimated for most regions. Populations have been increasing throughout North America since 1966, but statistically significant increases generally occurred only in the early (1966-78) part of the period. Roadside survey methodology used in the BBS has limitations that make it inefficient as a survey technique for wood ducks, and we recommend using modified methodologies that specifically survey wood duck habitat.

Additional publication details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Wood duck population trends from the North American Breeding Bird Survey
Year Published:
Publisher location:
St. Louis, MO
Contributing office(s):
Patuxent Wildlife Research Center
xv, 390
Larger Work Type:
Larger Work Subtype:
Other Government Series
Larger Work Title:
The 1988 North American Wood Duck Symposium
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