Tree Swallow diurnal flight calls
Fig.2. New Jersey August 5, 2001 (MO).
"Chi-deep" call from bird in flight.
Fig.3. Colorado July 16, 2001 (MO).
"Chi-deep" call from bird in flight.
Fig.4. New York June 18, 2001 (WRE).
Perched juvenile.
Diurnal calling sequences:
1. New York June 18, 2001 (WRE). Juvenile perched on electric wire with a variety of songbirds singing in the background.
2. New York June 18, 2001 (WRE). Juvenile in flight with Yellow Warbler and Mourning Dove song.
3. New Jersey August 15, 2001 (MO). "Tzeev" calls from bird in flight.
4. New Jersey August 15, 2001 (MO). "Chi-deep" call from bird in flight.
5. Florida January 16, 2002 (MO). Bird in flight with Gray Catbird calling in the background.