Founded in 1949, SDOU has been South Dakota's primary statewide organization to promote the study of wild birds, to encourage ornithological research, and to preserve the state's avian records. Birders, environmentally-concerned individuals, ornithologists and other natural scientists all contribute to these efforts.
Gambell/Nome Trip Report
by Richard Latuchie
Doug & Michael's Excellent Adventures of Cuisine and Birds of California 2006
by Douglas E Chapman