Bradly J. Boner | Photography

Yellowstone swans

Bill Long of the Wyoming Wetlands Society traverses a marshy field on Grebe Lake, the location of the only known nesting pair of trumpeter swans in the park. Long makes the 4-mile round-trip hike several times throughout the spring and summer in his monitoring efforts of the nest.

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Filename: 20180606-yellowstone-swans-101.JPG
Image Size: 5887x3884 / 11.0MB; www.bradlyjboner.com; yellowstone national park ynp trumpeter swan nesting rehabilitation wildlife waterfowl grebe lake
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Bill Long of the Wyoming Wetlands Society traverses a marshy field on Grebe Lake, the location of the only known nesting pair of trumpeter swans in the park. Long makes the 4-mile round-trip hike several times throughout the spring and summer in his monitoring efforts of the nest.