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Publisher: USGS | Format: URL
pubs.usgs.gov — The steps necessary to conduct a pitfall trapping survey for small terrestrial vertebrates are presented. Descriptions of the materials needed and the methods to build trapping equipment from raw materials are discussed. Recommended data collection techniques are given along with suggested data fields. Animal specimen processing procedures, More...
Publisher: USGS | Science Center: Florida Integrated Science Center (FISC, Gainesville) | Format: URL
fl.biology.usgs.gov — This website links to descriptions, images, and vocalizations of Amphibians & Reptiles of the Southeastern United States and the U.S. Virgin Islands. Species profiles for Frogs and Toads, Salamanders, with a Glossary of Useful Herpetological Terms, as well as links to FISC's Herpetology Program, the Southeast ARMI initiative, Southeast ARMI Fact More...
Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL
www.werc.usgs.gov — This site is a field guide to the reptiles and amphibians of coastal Southern California, including species accounts, illustrations of tadpoles, and images of different habitat types. The guide also contains a glossary of terms, a map of the study area, and types of habitats.
Publisher: USGS (San Diego Field Station) | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL
www.werc.usgs.gov — The Pacific iguanas of the Fijian and Tongan archipelagos are a biogeographic enigma in that their closest relatives are found only in the New World, separated by 8,000 km of ocean. The Pacific iguanas have been dramatically affected by human activities; two species were eaten to extinction after human arrival in the Pacific some 2,800 years ago. More...
U.S. Department of the Interior |
U.S. Geological Survey