Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
Dave Spencer oral history interview with Jim King and Bruce Conant. Transcriber's note: difficult at times to hear and understand Dave – unfortunately, Dave passed away before the tapes were transcribed and he had a chance to edit.
David L. Spencer oral history interview with Jim King. Please note: Dave passed away February 9, 2000, before these tapes were transcribed and he had the opportunity to edit the draft.
This is a news release written by Rachel Carson as part of the Department of the Interior Information Service, Office of Coordinator of Fisheries. This article was for "office distribution only." It describes the life cycle of shrimp,...