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Estimates of survival and recovery rates and the corresponding sample variances and covariances were made for mallards (Anas platyrhychos) banded before the hunting season for the period 1950-85. Estimates were made for adults and young, males and females, for as many banding reference areas as possible using standard band-recovery methods.
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Federal Government Series
Temporal and geographic estimates of survival and recovery rates for the mallard, 1950 through 1985