Abstract
Smith and Reynolds (1992) analyzed recovery and survival rates for mallards (Anas platyrhynchos) during periods of liberal (1979-84) and restrictive (1985-88) harvest regulations to examine the relationships between harvest and survival. Using a model explicitly relating survival to recovery rates, Smith and Reynolds (1992) concluded that restrictive harvest resulted in higher survival rates for mallards. We reanalyzed these data to examine relationships between survival rates and both harvest and population size. Mallard population size declined (P = 0.038) over the interval in question. Therefore, the apparent relationship between harvest and survival found by Smith and Reynolds (1992) is potentially spurious because kill rates and population size declined from 1979 to 1988
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