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Image: A Manatee in Florida

A Manatee in Florida

USGS conducts long-term, detailed studies on the life history, population dynamics, and ecological requirements of the West Indian manatee. Federally listed as endangered, the manatee is a large, gentle, plant-eating, and slow-moving marine mammal.

Image of the front page of Sound Waves, May - June 2012
March 22, 2019

Sound Waves, May - June 2012

The stories in the May - June 2012 issue of Sound Waves:


Gas Hydrates and Climate Warming—Why a Methane Catastrophe Is Unlikely 

Real-Time Mapping of Seawater and Atmospheric