Standardized North American Marsh Bird Monitoring Protocol - Avian Conservation and Ecology

Influence of call broadcast timing within point counts and survey duration on detection probability of marsh breeding birds PDF

Annie M. Bracey, C. Myles Falconer, Christopher J Norment, Douglas C. Tozer, Erin E. Gnass Giese, Gerald J. Niemi, Robert W. Howe, Thomas M. Gehring