Flickinger, E. L., Mitchell, C. A., and Krynitsky, A. J., 1986, Dieldrin and endrin residues in fulvous whistling-ducks Dendrocygna bicolor in Texas USA in 1983: Journal of Field Ornithology, v. 57, no. 2, p. 85-90. Abstract Keywords: Population, decline, aldrin, insecticide, nontarget, organism, Mexico