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Kirtland's Warbler Dendroica kirtlandii

Flight call description Apparently a short, abrupt, buzzy "dzzt" (note limited sample size: see Discussion).


Fig.1. Michigan August 3, 1991 (WRE).

Perched bird with Black-capped Chickadee calling in the background.


Examples     Diurnal


Similar species Very similar to Hooded Warbler but may have a coarser buzz. Compare with Common Yellowthroat which may overlap with this species. Shorter than Chestnut-sided Warbler. See buzz calls.


Behavior Nocturnal migrant. Diurnal movements not well documented but likely include relocation flight and onward migration. Observed to give flight call in local flights and while foraging during the day.  Also presumably gives flight call during nocturnal migration.


Spectrographic description Measured calls (N=2) were 25.9-43.7 (34.8) mS in duration and in the 5.8-7.5 (6.1-7.4) kHz frequency range. The frequency track was single-banded and was slightly descending. It was modulated with 3-5 humps with a spacing of 8.2-8.6 (8.4) mS and a depth of 1.0-1.4 (1.1) kHz.


Discussion Our experience with this species is limited to a few flight calls from two individuals on the breeding grounds.