Carolina Chickadee facts:

• The Carolina Chickadee looks very much like a Black-capped Chickadee, with a black cap, black bib, gray wings and back, and whitish underside, but Carolina Chickadees are found in the American South, while Black-capped Chickadees are found in the North.   In a narrow band from northern New Jersey to Kansas, however, Black-capped and Carolina Chickadees meet and hybridize.
• In winter, Carolina Chickadees live in flocks of two to eight birds and defend areas against other flocks.  Most members of a winter flock stay in the same flock all season, but some birds are “flock switchers.”
• The Carolina Chickadee’s song often is a four-note whistle. One pattern is fee-bee-fee-bay with first and third notes higher in pitch, but at least 35 other songs have been heard.