Herring Gulls (Larus argentatus) Depredate Chimney Swifts (Chaetura pelagica) at a Migratory Roost

Dean Evans; Jennie Pearce; Jennifer R. Foote

doi:10.1676/16-065.1

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Dean Evans,^*,** Jennie Pearce,^*** Jennifer R. Foote^*,****

^*Department of Biology, Algoma University, 1520 Queen Street East, Sault Ste. Marie, ON P6A 2G4, Canada.
^**Current Address: Department of Biology, University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B7, Canada.
^***Pearce and Associates Ecological Research, 1405 Third Line E, Sault Ste. Marie, ON P6A 0E1, Canada.
^****Corresponding author; e-mail: jennifer.foote@algomau.ca

Abstract

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.

Citation Download Citation

Dean Evans, Jennie Pearce, and Jennifer R. Foote "Herring Gulls (Larus argentatus) Depredate Chimney Swifts (Chaetura pelagica) at a Migratory Roost," The Wilson Journal of Ornithology 129(3), 632-636, (1 September 2017). https://doi.org/10.1676/16-065.1

Received: 30 April 2016; Accepted: 3 December 2016; Published: 1 September 2017

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