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...
Birds; Migratory birds; Monitoring; Perching birds; Research; Statistics; Species of concern; Wildlife management;
This is a status assessment and conservation plan for the Cassin's Sparrow. It includes a description and natural history of the bird, as well as range information pertinent to breeding, migration and wintering, monitoring activities, population...
Environmental education; Environments (Natural); Children; Podcast; Public Lecture;
John Francis was in his twenties when a 1971 oil spill in San Francisco Bay jarred his comfortable life. Even as he joined the volunteers who scrubbed the beaches and fought to save birds and sea creatures poisoned by petroleum, he felt the need to...
Kent Olson oral history interview as conducted by Jonathan Schafler. Kent also worked with the Wetland Acquisition Program and at River Basins as a biologist.
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.
