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Attempted kleptoparasitism of osprey by great blue herons
Author(s): John R. Squires
Date: 1998
Source: Wilson Bulletin. 110: 560.
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
PDF: Download Publication (294.0 KB)Description
Two attempts of kleptoparisitism of Ospreys (Pandion haliaetus) by Great Blue Herons (Ardea herodias) were observed in Grand Teton National Park, Wyoming. Two herons vocalized and bill thrusted at Ospreys as they emerged from the water following dives for fish. Although both attempts were unsuccessful (the Ospreys failed to capture a fish), the intensity of the attacks suggest that Great Blue Herons may be capable of taking fish from Ospreys.
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Citation
Squires, John R. 1998. Attempted kleptoparasitism of osprey by great blue herons. Wilson Bulletin. 110: 560.
Keywords
kleptoparisitism, ospreys, Pandion haliaetus, great blue herons, Ardea herodiasRelated Search
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https://www.fs.usda.gov/treesearch/pubs/52044