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...
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
North American Waterfowl Management Plan Oral history interviews with Harvey Nelson, Rollie Sparrowe, Dick Hopper, and George Finney. The first part of this transcript is individual interviews with Mr.s Nelson, Sparrowe, and Hopper, and are...
Oral history interview with John Gottschalk; Spencer Smith; Lynn Greenwalt; John Turner; Jamie Rappaport- Clark. Rick Lemon was interviewer; Employees (FWS);
In 1869, John Wesley Powell led a small party down the Green and Colorado Rivers in a bold attempt to explore the Grand Canyon for the first time. After their monumental expedition, they told of raging rapids, constant danger, and breathtaking...
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...
