Gulls, Larus spp., Foraging at Pink Salmon, Oncorhynchus gorbuscha, Spawning Runs

Small and immature gulls foraged more often on drifting salmon eggs than did large and mature gulls, and large and mature gulls foraged more often on salmon carcasses, at streams in Southeast Alaska. These differences may be related to body size via physical strength and dominance status, as well as...

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Bibliographic Details
Published in:The Canadian Field-Naturalist
Main Author: Willson, Mary F.
Format: Article in Journal/Newspaper
Language:English
Published: The Ottawa Field-Naturalists' Club 2004
Subjects:
Online Access:https://www.canadianfieldnaturalist.ca/index.php/cfn/article/view/20
https://doi.org/10.22621/cfn.v118i3.20
Description
Summary:Small and immature gulls foraged more often on drifting salmon eggs than did large and mature gulls, and large and mature gulls foraged more often on salmon carcasses, at streams in Southeast Alaska. These differences may be related to body size via physical strength and dominance status, as well as foraging experience.