Skip to main content
U.S. flag

An official website of the United States government

Gallery: Banding and Measuring Captured Waterfowl in Suisun Marsh

By Western Ecological Research Center (WERC)
Preparing a site to attract waterfowl Waterfowl trap in Suisun Marsh Retrieving Waterfowl from a Trap in Suisun Marsh Banding waterfowl Tools used to secure tag on ducklings Duckling tag Sexing mallards using wing feathers Measuring wing How to measure the tarsus on waterfowl Measuring bill of waterfowl Collecting a sample to test for Avian Influenza Releasing a duck back to the marsh