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Buteos

By:
, , , and
Edited by:
Beth Giron Pendleton, Maurice N.= LeFranc Jr., and Mary Beth Moss

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Abstract

Red-tailed, red-shouldered, and broad-winged hawks nest throughout the 11 northeastern states, and red-tailed, red-shouldered, and rough-legged hawks winter in this region. Historical and present ranges of these species are similar, although red-shouldered and broad-winged hawk ranges now have more vacant patches at a local and regional level. Only the red-shouldered hawk is of special concern or officially listed as threatened by some state agencies. Analysis of Breeding Bird Survey (BBS) data indicated positive trends in counts of red-tailed hawks along the more developed Northeast corridor. No trends were found in analyses of BBS data for red-shouldered hawks in either more- or less-developed regions of the Northeast. Based on the BBS, we found a decreasing trend in counts of broad-winged hawks along the more-developed Northeast corridor, and an increasing trend in less-developed regions of the Northeast. Our analyses of Christmas Bird Count data indicated no trend in counts of red-shouldered nor rough-legged hawks, but an increase in counts of red-tailed hawks from 1962 to 1983. Many individuals believe that species such as the red-shouldered hawk are declining in the Northeast, but no trends were detected in our analyses.

Additional Publication Details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Title:
Buteos
Series number:
13
Year Published:
1989
Language:
English
Publisher:
National Wildlife Federation
Publisher location:
Washington, DC
Contributing office(s):
Patuxent Wildlife Research Center
Description:
xi, 353
Larger Work Type:
Book
Larger Work Subtype:
Other Government Series
Larger Work Title:
Proceedings of the Northeast Raptor Management Symposium and Workshop
First page:
53
Last page:
64