Yellow-throated Warbler (2011-142)

Contributing photographers indicated by (ph.)

Initial observer(s):

Jack Hayden

Corroborating observers and additional sources:

Patricia Bacchetti (ph.)

Thomas A. Benson (ph.)

Bob Gunderson (ph.)

Joseph Morlan

Dominik Mosur (ph.)

David E. Quady

Daniel S. Singer (ph.)

Linda Swanson (ph.)

Martijn Verdoes (ph.)