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...
Sanford R. Wilbur oral history interview with Mark Madison. Note that this appears to be a write-up of the interview by Dr. Madison, as it is not structured like a traditional interview, and Mr. Wilbur is referred to in the third person.
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.
