Yellow-rumped "Audubon's" Warbler --- Cetronia, Lehigh County; January 17, 2009. Photos by Tom Johnson.
This bird was found by Tom Johnson and Cameron Rutt. Note the yellow throat.

Yellow-rumped "Audubon's" Warbler --- Cetronia, Lehigh County; January 17, 2009. Photo by Rick Wiltraut.
This is another photo of the same bird above. Again, note the yellow throat.

Yellow-rumped "Audubon's" Warbler --- Cetronia, Lehigh County; January 25, 2009. Photos by Dustin Welch.
These are additional photos of the same bird. Again, note the yellow throat.