Journal
WILSON JOURNAL OF ORNITHOLOGY
Volume 129, Issue 3, Pages 632-636Publisher
WILSON ORNITHOLOGICAL SOC
DOI: 10.1676/16-065.1
Keywords
Chimney Swift; communal roost; Herring Gull; predation; range overlap
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Funding
- National Science and Engineering Research Council of Canada
- Species at Risk Research Fund for Ontario
- Algoma University Research Fund
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We describe a new predator-prey relationship between Herring Gulls (Larus argentatus) and Chimney Swifts (Chaetura pelagica) at a communal roost in Sault Ste. Marie, ON, Canada. In a season-long study in 2015, we document 38 instances of predation, an estimate which likely underestimates the extent of total predation pressure. Chimney Swifts were captured on-the-wing by Herring Gulls.
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