There are two main races of yellow-rumped warblers, Audubon's and Myrtle.
Audubon's
Yellow-rumps have multiple yellow patches, although the patch for which it is named is most visible in flight. The Audobon's variety has a yellow patch under the chin as well as shown in these males.
Quiet Quigley
The quiet beauty of a female yellow-rumped warbler (Audubon's) on a spring afternoon at South Quigley Lake.
