Research assistants Orrin Jones, left, and Jeremiah Heise, from the University of Delaware, observe a flock of black ducks at Edwin B. Forsythe National Wildlife Refuge in Galloway Township. Researchers from the University of Delaware are studying black ducks this fall to try to understand why they are not faring as well.
A small flock of Atlantic brant fly over the Edwin B. Forsythe National Wildlife Refuge.
A small group of black ducks explore the water on the compound side of the refuge.
Research assistants Orrin Jones, left, and Jeremiah Heise, from the University of Delaware, camp out at Edwin B. Forsythe National Wildlife Refuge in Galloway Township.
A black duck drake glides through the water at the refuge.
Research assistants Orrin Jones and Jeremiah Heise study the black ducks and Atlantic brant at Edwin B. Forsythe National Wildlife Refuge in Galloway Township.
Researchers from the University of Delaware are studying black ducks this fall to try to understand why they are not faring as well.
A black duck drake glides through the water on the compound side of Edwin B. Forsythe National Wildlife Refuge.
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