This report on the National Wildlife Refuge System is the culmination
of a year-long process involving teams of Service employees who
examined the System within the framework of Wildlife and Habitat,
People, and Leadership. The report was the focus...
Endangered species; Birds; Birds of prey; Captive breeding; Reintroduction; Raptors;
1976, (41 FR 187). Long recognized as a vanishing species (Cooper 1890, Koford 1953, Wilbur 1978), the California condor remains one ofthe world’s rarest and most imperiled vertebrate species. Despite intensive conservation...
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...
Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
This is the 1998 status assessment of the scaleshell mussel in the United States. It includes biological information on the species, distribution status information and detailed status figures.
Edward Zahniser oral history interview with Laura Buchheit and Mark Madison. Mr. Zahniser is the son of Howard Zahniser, architect of the Wilderness Act.
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...
