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...
This report is an addendum to the National and State Reports for the 2001 National Survey of Fishing, Hunting and Wildlife-Associated Recreation. It includes information on anglers who fish for black bass and trout, and includes sections on...
This classification, to be used in a new inventory of wetlands and deepwater habitats of the United
States, is intended to describe ecological tax, arrange them in a system useful to resource managers,
furnish units for mapping, and provide...
Roy Tomlinson oral history interview as conducted by John Cornely. While working in Tucson, Arizona, Roy made several trips to Mexico to work on various species of birds.
