guards the exit gate, quizzing all Who will pass this night?
Thursday, May 25, 2017
Blackpolls versus Black and White Warblers
These birds really have little in common other than they are both warblers and they are both black and white. The Blackpolls are larger and work on horizontal branches; the Black and Whites live a vertical life looking for insects on tree trunks or on the underside of large branches.