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Publisher: USGS | Science Center: Upper Midwest Environmental Sciences Center (UMESC, LaCrosse) | Format: URL
www.umesc.usgs.gov — Populations of amphibians have been declining around the world (Stokstad 2004). This website provides links to resources that deal with amphibian declines mainly in the 13-state Upper Mississippi ARMI region, species, current research, research methods, research team profiles, a list of partners, products, frog and toad calls, other links related More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — From the website: "This website provides a resource for learning breeding calls of frogs and toads in the eastern United States and Canada. This site provides links to a frog call lookup tool, public quizzes for identifying frog calls in states and provinces through amphibian monitoring programs such as Frogwatch USA, NAAMP, Parks/Refuges by More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — Information about ecotoxicological exposure and its effects on terrestrial vertebrates residing in estuarine and coastal habitats like the Atlantic, Gulf and Pacific Coasts, Alaska and Hawaii, as well as the Great Lakes. These vertebrates include birds, mammals, amphibians and reptiles. The data is a compilation of results from computerized More...
U.S. Department of the Interior |
U.S. Geological Survey