Black-throated Blue Warbler diurnal flight calls
Fig.2. Maryland September 30, 1994 (MO).
Bird in flight.
Fig. 3. Virginia September 25, 1993 (MO).
Bird in flight.
Diurnal calling sequences:
1. Virginia September 25, 1993 (MO). Bird in flight.
2. Maryland September 30, 1994 (MO). Bird in flight with faint call from Baltimore Oriole.
3. Florida April 30, 1996 (WRE). Female perched; just prior to flight.
4. Florida 24 April, 1995 (WRE). Bird in premigratory dusk flight with chips from a Palm Warbler and song from a Northern Mockingbird in the background.
5. Florida 30 April, 1996 (WRE). Bird in premigratory dusk flight.