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 publication is is the result of a Fish and Wildlife Countermeasures Coordination Project undertaken by the U.S. Fish and Wildlife Service (USFWS). The goals of the project include the development of national “best practices” using...
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...
Safeguarding Wildlife from Climate Change - NWF/NCTC Webinar Series. Presented by Dr. Erik Beever, Research Ecologist at the U.S. Geological Survey Northern Rocky Mountain Science Center. May 16, 2012.
Endangered species; Habitat conservation; Policies; Work of the Service; Human impacts;
This is a fact sheet describing the requirements of federal agencies under Section 7 of the Endangered Species Act to ensure their activities in no way adversely affect any endangered or threatened species, or any species proposed for the...
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)