|White-breasted Nuthatch, Sitta carolinensis|
|Black-and-white Warbler, Mniotilta varia - Click image to enlarge|
|More nuthatch-like antics! - again click to enlarge|
In any case these are charming and unique warblers. Next time you are out in the spring, summer, or fall, if a flash of black and white running around a tree catches your eye, I recommend taking a closer look.