Comparative productivity of American black ducks and mallards nesting on Chesapeake Bay Islands

Krementz, D. G.; Stotts, D. B.; Pendleton, G. W.; Hines, J. E.; Stotts, V. D.

Abstract:

The authors estimated laying dates, clutch sizes, and nest success rates of sympatrically breeding populations of American black ducks (Anas rubripes ) and mallards (Anas platyrhynchos ) on Chesapeake Bay islands between 1986 and 1989. Neither average laying date nor clutch size differed between black ducks and mallards. Nest success rates were higher for mallards in 2 of 4 years, but were area dependent.

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Article

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5222946

Citation Author:

Krementz, D. G.; Stotts, D. B.; Pendleton, G. W.; Hines, J. E.; Stotts, V. D.

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Patuxent Wildlife Research Center

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228

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English

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Canadian Journal of Zoology

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225-228

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Comparative productivity of American black ducks and mallards nesting on Chesapeake Bay Islands; 1992; Article; Journal; Canadian Journal of Zoology; Krementz, D. G.; Stotts, D. B.; Pendleton, G. W.; Hines, J. E.; Stotts, V. D.