Predation of Eared Grebe by Great Blue Heron

James W. Rivers; Michael J. Kuehn

doi:10.1676/05-002.1

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James W. Rivers,^*,** Michael J. Kuehn^*

^*Dept. of Ecology, Evolution, and Marine Biology, Univ. of California, Santa Barbara, CA 93106, USA
^**Corresponding author; rivers@lifesci.ucsb.edu

Abstract

Great Blue Herons (Ardea herodias) typically prey upon fish and other aquatic organisms, and they occasionally take small mammals and birds. We observed a Great Blue Heron attack, kill, and attempt to consume an Eared Grebe (Podiceps nigricollis). The heron was unable to swallow the grebe, and it abandoned the carcass after approximately 30 min. An examination of the carcass showed that the grebe lacked obvious physical deformities. Our observation, coupled with a similar one nearby, indicates that Great Blue Herons attack and kill birds larger than reported previously.

Citation Download Citation

James W. Rivers and Michael J. Kuehn "Predation of Eared Grebe by Great Blue Heron," The Wilson Journal of Ornithology 118(1), 112-113, (1 March 2006). https://doi.org/10.1676/05-002.1

Received: 11 January 2005; Accepted: 1 September 2005; Published: 1 March 2006

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