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Responses of yellow warblers to the threat of cowbird parasitism

โœ Scribed by Keith A. Hobson; Spencer G. Sealy

Book ID
117030951
Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
737 KB
Volume
38
Category
Article
ISSN
0003-3472

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โœ James V. Briskie; Spencer G. Sealy; Keith A. Hobson ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Springer ๐ŸŒ English โš– 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;