Proximity to Active Accipiter Nests Reduces Nest Predation of Black-Chinned Hummingbirds

Harold F. Greeney; Susan M. Wethington

doi:10.1676/08-174.1

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Harold F. Greeney,^*,**,*** Susan M. Wethington^****

^*Corresponding author: revmmoss@yahoo.com
^**Yanayacu Biological Station and Center for Creative Studies, Cosanga, Napo, Ecuador, c/o Foch 721 y Amazonas, Quito, Ecuador.
^***Current address; University of Nevada Reno, Department of Biology 0314, 1664 North Virginia Street, Reno, NV 89557, USA.
^****Hummingbird Monitoring Network, P. O. Box 115, Patagonia, AZ 85624, USA.

Abstract

A variety of bird species have been shown to derive protection from nest predators by nesting in association with more aggressive or predatory species. We provide the first evidence of this interaction for a hummingbird. Black-chinned Hummingbird (Archilochus alexandri) nests in southeast Arizona were found near the nests of two species of Accipiter raptors. Mayfield estimates of nest survival indicated nests within 300 m of active Accipiter nests have significantly higher probabilities (46 vs. 9%) of successfully fledging young.

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Harold F. Greeney and Susan M. Wethington "Proximity to Active Accipiter Nests Reduces Nest Predation of Black-Chinned Hummingbirds," The Wilson Journal of Ornithology 121(4), 809-812, (1 December 2009). https://doi.org/10.1676/08-174.1

Received: 27 December 2008; Accepted: 1 March 2009; Published: 1 December 2009

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