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Molecular and phenotypic diversity in Chionactis occipitalis (Western Shovel-nosed Snake), with emphasis on the status of C. o. klauberi (Tucson Shovel-nosed Snake)

2007 | Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: .PDF

www.werc.usgs.gov — The Alameda whipsnake (Masticophis lateralis euryxanthus) is both a federally and state listed endangered species limited to scrub and chaparral habitat within Contra Costa and Alameda Counties, CA. Loss and fragmentation of habitat due to agricultural and urban development over the last 100 years are cited as the main causes of its decline. Based More...

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Giant Garter Snake Habitat Ecosystem Initiative

Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL

www.werc.usgs.gov — Radio transmitters, passively induce transponder (PIT) tags, visual surveys, and other methods and techniques are being evaluated to determine the habitat use and life history characteristics of the giant garter snake (Thamnophis gigas), a species endemic to Central Valley wetlands and federally listed as threatened.

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Herpetological Monitoring Using a Pitfall Trapping Design in Southern California

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...

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Field Guide to the Reptiles and Amphibians of Coastal Southern California

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.

  • Pacific Slender Salamander (Batrachoseps pacificus major)

Brown Treesnake on Guam: How the arrival of one invasive species damaged the ecology, commerce, electrical systems, and human health on Guam: A comprehensive information source

Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL

www.fort.usgs.gov — This resource has been developed to provide source materials on the history of the invasion, continuing threats, research results, and containment and management of the brown Treesnake (Boiga irregularis) in Guam and its relevance to other islands and mild continental environments. Users can report snake sightings on this website, get information More...

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