Dusky Warbler (1997-166)
Contributing photographers indicated by (ph.)
Initial observer(s):
Steve Gerow
Corroborating observers and additional sources:
Kenneth M. Burton
Luke W. Cole (ph.)
John Comstock
Bruce Deuel
Alan M. Eisner
Michael Feighner
Rick Fournier
Steve C. Hampton
Leslie M. Lieurance
Bert McKee (ph.)
Joseph Morlan
Don Roberson
Doug Shaw
John Trochet