Documentation of a Polygynous Gray Catbird

Daniel Hanley; William Minehart; Donald C. Dearborn

doi:10.1676/06-085.1

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Daniel Hanley,^*,**,*** William Minehart,^* Donald C. Dearborn^*

^*Bucknell University, Program in Animal Behavior, 1 Moore Ave., Lewisburg, PA 17837, USA
^**University of Windsor, Department of Biological Sciences, 410 Sunset Ave., Biology Bldg., Windsor, ON N9B 3P4, Canada
^***Corresponding author; hanleyd@uwindsor.ca

Abstract

Polygyny occasionally occurs in passerine species that are generally socially monogamous. We document the second case of polygynous mating in the Gray Catbird (Dumetella carolinensis) and provide the first detailed account of this behavior. Daily provisioning rates of the polygynous male documented this male provisioned one nest more than the other (5.9 ± 2.2 trips/hr vs. 1.7 ± 1.1 trips/hr). The difference between the male's provisioning rates diminished when standardized for the number of chicks per nest. Polygyny appears to be an alternative mating strategy for the Gray Catbird in certain situations.

Citation Download Citation

Daniel Hanley, William Minehart, and Donald C. Dearborn "Documentation of a Polygynous Gray Catbird," The Wilson Journal of Ornithology 119(3), 499-502, (1 September 2007). https://doi.org/10.1676/06-085.1

Received: 5 July 2006; Accepted: 1 November 2006; Published: 1 September 2007

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