Hector Guzman, Smithsonian Tropical Research Institute (IMAGE)

Smithsonian Tropical Research Institute

Hector Guzman, Smithsonian Tropical Research Institute

Caption

To estimate how many Antillean manatees live in Panama's San San Pond Sak wetlands, Hector Guzman and Richard Condit (not shown) used sonar to detect the animals in murky river waters.

Credit

Sean Mattson, STRI

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Credit: STRI

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