Chimney Swift Chaetura pelagica
Flight call description On the breeding grounds, gives a rapid series of twittering notes as well as a slower, more deliberate series of rich, warbler-like chip notes.
Fig.1. New York August 23, 1989 (WRE).
Twittering calls from bird in flight before descending into chimney.
Examples
Diurnal calling sequences:
1. New York August 23, 1989 (WRE). Twittering calls from birds in flight near chimney at dusk.
2. New York August 23, 1989 (WRE). Twittering calls from birds in flight near chimney at dusk.
3. New York May 5, 1988 (Ted Mack). Chip calls from bird in flight on the breeding grounds.
Similar species Distinctive.
Behavior Diurnal and nocturnal migrant. Generally silent in migration flight.