Blue Grosbeak diurnal flight calls
Fig.2. Maryland June 24, 1993 (MO).
Perched bird.
Fig.3. Maryland September 28, 1994 (MO).
Bird in flight.
Fig.4. Texas April 18, 1994 (WRE).
Perched bird.
Diurnal calling sequences:
1. Maryland September 12, 1994 (MO). Bird in flight with Bobolink calling faintly in the background.
2. Maryland September 28, 1994 (MO). Bird in flight with American Robin, Boat-tailed Grackle, and Gray Catbird calling in the background.
3. Texas April 18, 1994 (WRE). Perched bird with Great-tailed Grackles calling in the background.