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Boreal Chickadee Poecile hudsonica

Flight call description A short, high "tssp".


Fig.1. New York June 3, 1989 (WRE).

Bird in short flight.



Diurnal calling sequence:

1. New York June 3, 1989 (WRE). Bird in short flight with Nashville Warbler, Hermit Thrush, and Vesper Sparrow song in the background.


Similar species Similar to Black-capped Chickadee but shorter, higher, and more monotone.


Behavior Irruptive migrant. Presumably a nocturnal migrant but also seen in morning flight, presumably limited resumed migration. Calls regularly in short diurnal flights. Not known to give flight call at night.