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Amphibians

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Patuxent Wildlife Research Center, North American Amphibian Monitoring Program

The NAAMP is a collaborative effort among regional partners, such as state natural resource agencies and nonprofit organizations, and the U.S. Geological Survey (USGS) to monitor populations of vocal amphibians. The USGS provides central coordination and database management. The regional partners recruit and train volunteer observers to collect More...

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North American Amphibian Monitoring Program

This web resource is a collaborative effort among regional partners, such as state natural resource agencies and nonprofit organizations, and the U.S. Geological Survey (USGS) to monitor populations of vocal amphibians. Amphibian population data are collected using a calling survey technique, in which observers identify local amphibian species by More...

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