Heterogeneous survival rates of mallards (Anas platyrhynchos)

E. A. Rexstad; D. R. Anderson

doi:10.1139/z92-256

Heterogeneous survival rates of mallards (Anas platyrhynchos)

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Abstract

Analyzed data of adult mallards banded throughout North America during the past 30 yr, using a model developed to estimate heterogeneity in survival rates of marked individuals. The authors were unable to detect significant differences in heterogeneity between sexes or between birds banded prior to the hunting season (July-September) and after the hunting season (January-February) in the same areas. Heterogeneity varied widely among banding areas. Coefficients of variation of survival rates for adult mallards, adjusted for variation in recovery rates, varied from 18-25%. -from Authors

Original language	English
Pages (from-to)	1878-1885
Number of pages	8
Journal	Canadian Journal of Zoology
Volume	70
Issue number	10
DOIs	https://doi.org/10.1139/z92-256
Publication status	Published - 1 Jan 1992

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Heterogeneous survival rates of mallards (Anas platyrhynchos)

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