USGS: Science Topics: animals

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Animals

Multi-celled organisms of the kingdom Animalia with eukaryotic cells (cells with distinct nuclei containing genetic material and bounded by thin membranes) that are heterotrophic (obtaining energy from organic substances produced by other organisms).

Subtopics:
Invertebrates (63 items)
Vertebrates (209 items)

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Results 211 - 220 of 259 listed alphabetically [list by similarity]

Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi [More info]: Invasive pigs first introduced to the continental United States in the 1500s by European explorers. Using tracking collars, we have begun to discover where these troublesome animals go.
Sea otter research at Western Ecological Research Center (WERC) [More info]: Webpage on research on sea otters (Euhydra lutris) in the nearshore environment of the eastern Pacific Ocean with information on status of otters on the coast of Alaska, Washington, and California and link to fact sheet in PDF format.
Selenium and stable isotopes of carbon and nitrogen in the benthic clam Corbula amurensis from Northern San Francisco Bay, California: May 1995-February 2010 [More info]: Monthly selenium concentration in this keystone species shows strong spatial and seasonal variation in a five-year series of analyses.
Social science in natural resource management [More info]: Describes how social scientists and natural resource managers work together to develop cooperation and public help in solving complex natural resource issues. Links to the use of public surveys in a project for black-tailed prairie dog management.
Southeast Ecological Science Center [More info]: Science center in Florida focusing on amphibians and reptiles, coastal ecology, contaminants and ecotoxicology, imperiled fish, manatees, and invasive species
Southeast Ecological Science Center - Welcome to the kid's corner [More info]: Children's website on southern Florida aquatic biology with short movie clips of amphibians, games & puzzles, wildlife pictures, teacher resources, and more.
Southeast Ecological Science Center - poster presentations [More info]: Poster presentations related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
Southeastern Amphibian Research and Monitoring Initiative [More info]: Overview of the Southeastern Amphibian Research and Monitoring Initiative, annual report, field methods and protocols, statistical design and analysis, glossary, projects, and lists of frogs, toads and salamanders.
Southwest Caves Reveal New Forms of Life [More info]: These lightless and nutrient-poor natural systems are home to life forms found nowhere else on Earth. Three new genera and at least 15 new species have been discovered here.
Status and Trends of the Grand Canyon Population of Humpback Chub [More info]: The number of adult humpback chub--fish 4 years old and older and capable of reproduction--increased approximately 50 percent between 2001 and 2008.

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