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Alder Flycatcher Empidonax alnorum

Flight call description A soft "pewp" is presumed to be the flight call. See Behavior.


Fig.1. New York July 7, 1988 (WRE).

"Pewp" call from perched bird. Note vegetation reflection.



Diurnal calling sequence:

1. New York July 7, 1988 (WRE). "Pewp" calls from perched bird with Chipping Sparrow song in the background.


Similar species Distinctive.


Behavior Primarily a nocturnal migrant but engages in redetermined migration. Gives "pewp" call uncommonly in short diurnal flights. Not known to call in nocturnal migration but presumed to do so occasionally based on the behavior of Least Flycatcher.