Authors: DUGGER BD

Citation: Bd. Dugger, FACTORS INFLUENCING THE ONSET OF SPRING MIGRATION IN MALLARDS, Journal of field ornithology, 68(3), 1997, pp. 331-337

Authors: DUGGER BD REINECKE KJ FREDRICKSON LH

Citation: Bd. Dugger et al., LATE WINTER SURVIVAL OF FEMALE MALLARDS IN ARKANSAS, The Journal of wildlife management, 58(1), 1994, pp. 94-99