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Introduced Small Ground Predators in California Brown Pelican Colonies

Daniel W. Anderson, James O. Keith, Gene R. Trapp, Franklin Gress and Leopoldo A. Moreno
Colonial Waterbirds
Vol. 12, No. 1 (1989), pp. 98-103
Published by: Waterbird Society
DOI: 10.2307/1521317
Stable URL: http://www.jstor.org/stable/1521317
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Introduced Small Ground Predators in California Brown Pelican Colonies
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Abstract

In contrast to small- and medium-sized seabirds, California Brown Pelicans are little affected in their nesting colonies by introduced small predators such as domestic cats and rats. Conflicts between small introduced mammals and smaller to medium-sized seabirds dictate nonetheless that control and eradication of such predators are highly desirable goals. In one unusual instance where cats regularly preyed-on nestling Brown Pelicans, this occurred only on the colony periphery. The few large pelican young taken by these cats represented, however, the largest prey item known to be taken by feral cats.

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