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The Effect of Parasitism by the Brown-Headed Cowbird on Empidonax Flycatchers in Michigan

✍ Scribed by Lawrence H. Walkinshaw

Book ID
124623406
Publisher
University of California Press
Year
1961
Tongue
English
Weight
170 KB
Volume
78
Category
Article
ISSN
0004-8038

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✍ James V. Briskie; Spencer G. Sealy; Keith A. Hobson πŸ“‚ Article πŸ“… 1990 πŸ› Springer 🌐 English βš– 971 KB

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;