“What can I do to attract a Carolina wren pair to my nest box?” asks Birds & Blooms reader Gwen Falkenstein of Carlisle, Pennsylvania. Birding experts Kenn and Kimberly Kaufman ...

Where populations of the eastern subspecies-group overlap with Carolina wren, confusion possible ... buzzier. Songs of birds in the interior subspecies-group (ero­moph­ilus group) are simpler ...