60 G song(s) to Carolina chickadee playback at1010 hr, 29 F song(s) 6 min postplaback and, 5 F call(s) type 1, 1020 hr, 20 F song(s) to Carolina chickadee playback, 1025 hr, 25 G song(s) to black-capped chickadee playback, and, 16 G call(s) at end followed by, 5 G song(s) 5-noted throughout