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 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...
This is a report that identifies migratory and non-migratory birds species that represent the highest conservation priorities to the U.S. Fish and Wildlife Service.
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...
For the past 18 months, the National Wildlife Refuge System has worked to create a vision that will guide the management of the Refuge System during the next decade and beyond. Conserving the Future is built on the foundation and inspiration of...
