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Mammals: Marine Species

The Marine Mammal Protection Act of 1972, as amended establishes a responsibility to conserve marine mammals with management authority vested in the Department of the Interior for the sea otter, walrus, polar bear, dugong, and manatee. Listed below are USGS research projects about marine mammals.

 

Featured Publication

manatee image At Crystal River National Wildlife Refuge, Florida, USGS scientists and their partners have conducted manatee radio tagging and capture events for the past three years to assess manatee health and provide baseline biological information. These tagging and capture events involve a range of tests such as weighing, blood sampling, measuring the manatee’s length from snout to tail, and taking small skin samples for genetic analyses. The data gathered from the assessments reveal movement patterns and identification of significant habitats, reproduction, survival, population status and trends, and overall population structure.


For more information visit Florida Integrated Science Center's Healthy Springs, Healthy Manatees highlight, download the center's Manatee Captures and Health Assessment handout (PDF, 1339 KB) Acrobat, and contact Robert K. Bonde, Florida Integrated Science Center.

Polar bear -- mother and cub



 

Polar Bear (Ursus maritimus)

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