Common Grackle (2001-227)
Contributing photographers indicated by (ph.)
Initial observer(s):
Peter Pyle (ph.)
Corroborating observers and additional sources:
Kenneth M. Burton
Luke W. Cole (ph.)
Leslie M. Lieurance
Calvin D. Lou (ph.)
Joseph Morlan
Benjamin D. Parmeter
David E. Quady
Rich Stallcup (ph.)