"A trap for ducks using artificial nesting structures" in Journal of Field Ornithology

"The influence of female age, body mass, and ambient conditions on redhead incubation constancy" in Condor

"Return rates and reproductive output of captive-reared female mallards" in Journal of Wildlife Management

"Use of artificial nesting structures by redheads" in Willdife Society Bulletin

"Fidelity of mallards to artificial nesting structures" in Prairie Naturalist

"Redhead reproductive strategy choices: a dynamic state variable model" in Behavioral Ecology

"Nest-site characteristics and brood-habitat selection of redheads: An association between wetland characteristics and success" in Wetlands

"Influence of female age and body mass on brood and duckling survival, number of surviving ducklings, and brood movements in redheads" in Condor

"Occurrence of second broods in mallards in the midwest" in American Midland Naturalist