On Throw Back Thursday:
It’s warbler time again as these tiny birds migrate south through western Pennsylvania. They’re not as much fun as they were in the spring.
In May they were dressed in their colorful best. This month a lot of them are wearing camouflage. Who are these confusing fall warblers?
Back in 2009 it dawned on me that I could identify immature fall warblers because I had looked hard at their parents in the spring. Read how it works here:
(photo by Chuck Tague)