Boat-tailed Grackle diurnal flight calls
Fig.4. New Jersey October 6, 1998 (MO).
"Gherk" call variant from bird in flight with Blue Jay in the background.
Fig.5. New Jersey September 30, 2000 (MO).
"Gherk" call variant from bird in flight.
Fig.6. Maryland October 1, 1994 (MO).
"Khek" call with insect noise.
Diurnal calling sequences:
1. New Jersey September 30, 2000 (MO). Bird in flight.
2. Maryland October 1, 1994 (MO). Bird in flight with Yellow-rumped Warbler and Gray Catbird calling in the background.
3. New Jersey October 6, 1998 (MO). Bird in flight with Yellow-rumped Warbler and American Crow calling in the background.
4. New Jersey October 6, 1998 (MO). Several birds in flight with Blue Jay and European Starling calling in the background.
5. Florida April 25, 1989 (WRE). Female in flight.
6. New Jersey July 11, 2001 (MO). Female in flight with Barn Swallow calling in the background.
7. North Carolina July 5, 2001 (MO). Female in flight giving "pierh" call.
8. Florida June 6, 2001 (WRE). Small flock giving "pierh" calls.
9. New Jersey November 28, 2001 (MO). Male in flight.
10. New Jersey December 10, 2001 (MO). Flock in flight with American Goldfinches, Blue Jay, and European Starling calling in the background.