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Differential Growth Patterns of Nestling Brown-Headed Cowbirds and Yellow-Headed Blackbirds

โœ Scribed by Catherine P. Ortega and Alexander Cruz

Book ID
124670183
Publisher
University of California Press
Year
1992
Tongue
English
Weight
365 KB
Volume
109
Category
Article
ISSN
0004-8038

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Brown-headed cowbirds (Molothrus ater) parasitized yellow warblers (Dendroica petechia) six times more frequently than least flycatchers (Ernpidonax minimus) nesting in the same riparian habitat in southern Manitoba. This difference was surprising because least flycatchers were higher quality hosts;