Circumstantial Evidence for Infanticide of Chicks of the Communal Smooth-billed Ani (Crotophaga ani)

J. S. Quinn; A. Samuelsen; M. Barclay; G. Schmaltz; H. Kahn

doi:10.1676/09-119.1

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J. S. Quinn,^*,** A. Samuelsen,^** M. Barclay,^** G. Schmaltz,^**,*** H. Kahn^**,****

^*Corresponding author; e-mail: quinn@mcmaster.ca
^**Biology Department, McMaster University, Hamilton, ON L8S 4K1, Canada.
^***Biology Department, University of the Fraser Valley, Abbotsford, BC V2S 7M8, Canada.
^****Current address: Department of Zoology and Fisheries, University of Agriculture, Faisalabad, Pakistan.

Abstract

The Smooth-billed Ani (Crotophaga ani) is a plural-breeding, joint-nesting species that engages in both cooperation and reproductive competition. We report circumstantial evidence for infanticide of chicks by adults that joined a group after completion of the communal clutch. We provide evidence that some of the group adults captured after the infanticide were unrelated to any of the chicks and may have acted to increase chances of renesting.

Citation Download Citation

J. S. Quinn, A. Samuelsen, M. Barclay, G. Schmaltz, and H. Kahn "Circumstantial Evidence for Infanticide of Chicks of the Communal Smooth-billed Ani (Crotophaga ani)," The Wilson Journal of Ornithology 122(2), 369-374, (1 June 2010). https://doi.org/10.1676/09-119.1

Received: 30 July 2009; Accepted: 1 December 2009; Published: 1 June 2010

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