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Trends in American kestrel counts from the North American Breeding Bird Survey

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, , , and
Edited by:
David M. Bird and Reed Bowman

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Abstract

A 15-year summary of the BBS data suggests that continental numbers of American Kestrels have increased during 1966-1979. According to analyses of physiographic and state/province strata, some areas are largely responsible for the increase in the U.S. and southern Canada and that only in Illinois and Arkansas have kestrels declined. BBS data are too few in Florida to detect trends concerning F. s. paulus. Surveying on special Raptor Routes, on which volunteers looked specifically for raptors while retracing their BBS route, did not significantly increase the kestrel counts, but did improve detection rates.

Additional Publication Details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Title:
Trends in American kestrel counts from the North American Breeding Bird Survey
Year Published:
1987
Language:
English
Publisher:
Raptor Research Foundation, Inc. and MacDonald Raptor Research Centre of McGill University
Publisher location:
Ste. Anne de Bellevue, Quebec, Canada
Contributing office(s):
Patuxent Wildlife Research Center
Description:
vii, 178
Larger Work Type:
Book
Larger Work Subtype:
Other Government Series
Larger Work Title:
The Ancestral Kestrel: Proceedings of a Symposium on Kestrel Species, St. Louis, Missouri, December 1st, 1983
First page:
22
Last page:
27