Citation: Cp. Dwyer et al., DISTRIBUTION AND ABUNDANCE OF ROOF-NESTING GULLS IN THE GREAT-LAKES REGION OF THE UNITED-STATES, The Ohio journal of science, 96(1), 1996, pp. 9-12
Citation: Cp. Dwyer et Ga. Baldassarre, HABITAT USE BY SYMPATRIC FEMALE MALLARDS AND AMERICAN BLACK DUCKS BREEDING IN A FORESTED ENVIRONMENT, Canadian journal of zoology, 72(9), 1994, pp. 1538-1542
Citation: Cp. Dwyer et Ga. Baldassarre, SURVIVAL AND NEST SUCCESS OF SYMPATRIC FEMALE MALLARDS, ANAS-PLATYRHYNCHOS, AND AMERICAN BLACK DUCKS, A-RUBRIPES, BREEDING IN A FORESTED ENVIRONMENT, Canadian field-naturalist, 107(2), 1993, pp. 213-216