Brood amalgamation of Trumpeter Swans Cygnus cygnus buccinator

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Published: Jan 14, 2002

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Carl D Mitchell
Jay J Rotella

Abstract

We documented post-hatch brood amalgamation in Trumpeter Swans in the northern Rocky Mountains of the United States. During 1987-90, 11.5% of swan broods were involved in amalgamation, and the rate of amalgamation did not vary by year. There were significantly more broods, and a higher density of broods on wetlands where amalgamation occurred than on wetlands where amalgamation did not occur. Possible mechanisms for amalgamation are discussed.

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How to Cite
Mitchell, C. D., & Rotella, J. J. (2002). Brood amalgamation of Trumpeter Swans Cygnus cygnus buccinator. Wildfowl, 1–5. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/154119
Issue
Wildfowl 48
Section
Standard Papers

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