权威例句
Response of Pintail Breeding Populations to DroughtFeeding Ecology of Pintail Hens during ReproductionPintail and Mallard Survival in California Relative to Habitat, Abundance, and HuntingThe Social Aspects of Reproductive Behavior in the PintailDiurnal activities of Green-winged Teal and Pintail wintering in LouisianaVariable Mating System of a Sedentary Tropical Duck: The White-Cheeked Pintail (Anas bahamensis bahamensis)Incubation rhythms and egg temperature of an American green-winged teal and a renesting pintailEvaluation of avian-human reassortant influenza A/Washington/897/80 x A/Pintail/119/79 virus in monkeys and adult volunteersComplete genome sequences of avian paramyxovirus type 8 strains goose/Delaware/1053/76 and pintail/Wakuya/20/78.Geographical and temporal patterns in the diet of pintail Anas acuta, wigeon Anas penelope, mallard Anas platyrhynchos and teal Anas...