USGS - science for a changing world


Patuxent Wildlife Research Center

The Sea Duck Joint Venture
ARGOS - Worldwide Tracking and Environmental Monitoring by Satellite
Microwave Telemetry, Inc.
Churchill Northern Studies Centre
Massachusetts Audubon Society
Migration and Habitat Use of Pacific Barrow's Goldeneye
Satellite Tracking of Harlequin Ducks
Migratory Movements of Ducks in Argentina (Spanish)



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