权威例句
SURVIVAL OF SCAUP DUCKLINGS IN THE BOREAL FOREST OF ALASKADeclining Scaup Populations: Issues, Hypotheses, and Research NeedsLesser Scaup diets during migration and winter in the Mississippi flywayNest survival of scaup and other ducks in the boreal forest of Alaska.Intestinal helminths of lesser scaup ducks: patterns of association.Declining Scaup Populations: A Retrospective Analysis of Long-Term Population and Harvest Survey DataInfluence of Age and Time on Reproductive Performance of Female Lesser ScaupNutrient Reserves of Lesser Scaup (Aythya affinis) during Spring Migration in the Mississippi Flyway: A Test of the Spring Condition...Effects of variation in egg size and hatching date on survival of Lesser Scaup Aythya affinis ducklingsEffects of Hatching Date and Egg Size on Growth, Recruitment, and Adult Size of Lesser Scaup