USGS - Science for a changing world

Hide and Seek

This Science Feature can be found at: http://www.usgs.gov/blogs/features/usgs_top_story/hide-and-seek/
Amphibian

Amphibian

Secretive and rare stream-dwelling amphibians are difficult to find and study. Scientists at the US Geological Survey and University of Idaho have developed a way to detect free-floating DNA from amphibians in fast-moving stream water.

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