Olive-sided Flycatcher Contopus cooperi
Flight call description A short "pip" note may occasionally be used as a flight call.
Fig.1. New York June 1, 1989 (WRE).
Perched bird.
Examples
1. New York June 1, 1989 (WRE). Perched adult on breeding grounds.
Behavior Primarily a nocturnal migrant but engages in redetermined migration. Typically silent in flight. Adults occasionally give 1 to 2 note "pip" calls in flight (Altman and Sallabanks, 2000).