Indirect cannibalism by crèche-aged American White Pelican (Pelecanus erythrorhynchos) chicks
August 9, 2013
At nesting colonies of American White Pelicans (Pelecanus erythrorhynchos), many chicks die from siblicide, severe weather, and disease; this results in carcasses available for scavenging by conspecifics (i.e., indirect cannibalism). Indirect cannibalism has not been reported previously for this species. We describe five cases of crèche-aged American White Pelican chicks consuming or attempting to consume dead younger chicks at two nesting colonies in the northern plains of North America. Cannibalism in the American White Pelican appears to be rare and likely plays no role in the species’ population ecology or dynamics; however, it might be an important survival strategy of individual chicks when food resources are limited.
Citation Information
Publication Year | 2013 |
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Title | Indirect cannibalism by crèche-aged American White Pelican (Pelecanus erythrorhynchos) chicks |
DOI | 10.22621/cfn.v127i1.1413 |
Authors | Alisa J. Bartos, Marsha A. Sovada, Lawrence D. Igl, Pamela J. Pietz |
Publication Type | Article |
Publication Subtype | Journal Article |
Series Title | Canadian Field-Naturalist |
Index ID | 70047543 |
Record Source | USGS Publications Warehouse |
USGS Organization | Northern Prairie Wildlife Research Center |