Trumpeter swans swim on a frozen lake in the National Elk Refuge outside Jackson, Wyoming. Trumpeter swans are the largest of North American waterfowl and have a wing span of 7 feet.

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Size: 3903px × 2603px
Location: National Elk Refuge, Jackson, Wyoming, USA
Photo credit: © USFWS Photo / Alamy / Afripics
License: Royalty Free
Model Released: No

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