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...
Presented by Christopher Horsch, USFWS. February 2010. - This presentation draws from the work done by others, notably Dr. Richard Wolfson, Middlebury College, the late Dr. Stephen Schneider, Stanford University, and Dr. Stephen Miller, USFWS.
Bob Weeden and Ginny Wood oral history interview. Note: The interviewers are not identified at any time on the tape. There are at least two interviewers (possibly three) – one (or two) male and one female. Their comments are not identified...
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...
History; Biography; Work of the Service; Wildlife refuges;
Celia Hunter delivers this presentation at the Alaska Environmental Assembly annual conference, 25th anniversary of the establishment of the Arctic National Wildlife Refuge
Endangered species; International affairs; Partnerships; Wildlife management; Wildlife restoration;
This is an overview of what Canada and the United States are doing together in order to help protect species the two countries deem as endangered. A description of the background of this partnership is given, followed by ten examples of individual...
