Black-headed Gull (2016-136)
Contributing photographers indicated by (ph.)

Initial observer(s):
Chet McGaugh (ph.)

Corroborating observers and additional sources:
Thomas A. Benson (ph.)
Mark A. Chappell (ph.)
Guy McCaskie
Robert L. McKernan (ph.)
Anthony E. Metcalf (ph.)
Justyn T. Stahl (ph.)

Close this window