Common Ringed Plover (2020-110)
Contributing photographers indicated by (ph.)

Initial observer(s):
Kevin J. Zimmer (ph.)

Corroborating observers and additional sources:
Tom M. Edell (ph.)
Laura Frank (ph.)
Brad Hacker (ph.)
Will H. Knowlton (ph.)
Brad K. Schram (ph.)
Mike Stiles (ph.)
Steve Tillmann (ph.)
Eric Wier (ph.)

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