This report is an initial biological assessment of wetland conditions on Long Lake National Wildlife Refuge, Slade National Wildlife Refuge, and Florence Lake National Wildlife Refuge that was conducted as part of the pre-planning phase for...
This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
This is a booklet that describes various migratory birds that are familiar in the United States. The species covered include the American robin, the American goldfinch, the Ruby-throated hummingbird, the eastern bluebird, the barn swallow, the gray...
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.