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Likely Predation of Adult Glossy Ibis by Great Black-Backed Gulls

Christina E. Donehower
The Wilson Journal of Ornithology
Vol. 118, No. 3 (Sep., 2006), pp. 420-422
Stable URL: http://www.jstor.org/stable/20455898
Page Count: 3
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Likely Predation of Adult Glossy Ibis by Great Black-Backed Gulls
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Abstract

Great Black-backed Gulls (Larus marinus) are known to prey upon a wide range of bird species, particularly adults, young, and eggs of sea-birds and waterfowl. Here, I provide the first account of Great Black-backed Gulls pursuing and attacking, in flight, a medium-sized wading bird, the Glossy Ibis (Plegadis falcinellus). I recorded two observations at Stratton Island, Maine, the northernmost breeding site for the Glossy Ibis in North America.

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