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Evening roosts of the snail kite in Florida

Wilson Bulletin

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Abstract

A total of 36 roost sites of the Snail Kite (Rostrhamus sociabilis) were studied in southern Florida, of which four (11%) were used regularly for 6 or more years. Major roosts were also used as nesting sites. All roosts were in flooded marshes and 33 (91.6%) were in stands of coastal-plain willow. Population increase and the number of roosts were strongly correlated. The number of kites arriving at roosts before sunset was smaller than arriving after sunset (37.8:62.2%), and gray birds (adult and subadult males) generally went to roost earlier than brown birds (all females and immature males). Rites tended to go to roost earlier on cloudy days. Morning departure from roosts was over a much shorter time than arrivals in the afternoon. Ninety-two percent of the kite roosts were also used by other species of birds for roosting, 8 1% of which were eight species of herons.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Evening roosts of the snail kite in Florida
Series title:
Wilson Bulletin
Volume
97
Issue:
1
Year Published:
1985
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
57-70
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Wilson Bulletin
First page:
57
Last page:
70
Number of Pages:
14