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1 December 2012 Interspecific Killing of a Branta bernicla (Brant) by a Male Branta canadensis (Canada Goose)
David A. Krauss, Issa E. Salame
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Abstract

Interspecific killing dissociated from predation is rare in birds. An instance of this behavior episode in which a male Branta canadensis (Canada Goose) killed a Branta bernicla (Brant) was observed and photographed on Long Island, NY in April 2011. The Canada Goose exhibited aggressive nest-defense behavior that is well known for this species, and we suspect that this aggression combined with the Brant's inability to defend itself due to its smaller size led to this unusual result. The male Canada Goose maintained its attack until the Brant died.

David A. Krauss and Issa E. Salame "Interspecific Killing of a Branta bernicla (Brant) by a Male Branta canadensis (Canada Goose)," Northeastern Naturalist 19(4), 701-704, (1 December 2012). https://doi.org/10.1656/045.019.0415
Published: 1 December 2012
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