A group of green heads (mallard ducks) in a wetland near Lacreek National Wildlife Refuge.

A group of mallard ducks with bright green heads in a wetland near Lacreek National Wildlife Refuge.

Photo By/Credit

Tom Koerner/USFWS

Media Usage Rights/License

Public Domain

Image

A group of green heads (mallard ducks) in a wetland near Lacreek National Wildlife Refuge.

Facility

Lacreek National Wildlife Refuge

Recreational Activity

Species

Subject tags

Birds

Birdwatching

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