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American black duck speculum
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Thumbnail (130 x 130) 21.7K
Medium (650 x 433) 286.7K
Large (1300 x 866) 1.0M
Extra Large (1430 x 953) 1.2M
Original (1430 x 953) 556.6K
Photo By/Credit
Kurt Ongman/University of Maine
Copy Credit
Date Shot/Created
Circa 2024
Media Usage Rights/License
Public Domain
Image
Closeup of an American black duck speculum.
Species
Anas rubripes
Subject tags
Bird banding
Conservation
Migratory birds
Research
Surveying
