Nesting Associations between Passerines and Birds of Prey in Central North Dakota

During a study of Ferruginous Hawks (Buteo regalis ) and Swainson's Hawks (B. swainsoni ) in central North Dakota from 1977 to 1979, the authors noted an association between certain nesting passerines and active nests of these hawks. They found 61 passerine nests near (< 10 m) 42 Ferruginous...

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Bibliographic Details
Published in:The Condor (Los Angeles, Calif.) Calif.), 1982-08, Vol.84 (3), p.343-343
Main Authors: Konrad, Paul M., Gilmer, David S.
Format: Article
Language:English
Subjects:
Bird nesting
Birds of prey
Buteo
Hawks
Houses
Passeriformes
Short Communications
Social insects
Sparrows
Wildlife ecology
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Summary:During a study of Ferruginous Hawks (Buteo regalis ) and Swainson's Hawks (B. swainsoni ) in central North Dakota from 1977 to 1979, the authors noted an association between certain nesting passerines and active nests of these hawks. They found 61 passerine nests near (< 10 m) 42 Ferruginous Hawk nests (n = 363) and 14 Swainson's Hawk nests (n = 270). The authors feel that these associations are probably more common than data indicate. Passerine species involved were Western Kingbird (Tyrannus verticalis ), Eastern Kingbird (T. tyrannus ), House Sparrow (Passer domesticus ), and Northern Oriole (Icterus galbula ).
ISSN:0010-5422
1938-5129
DOI:10.2307/1367382