Northern Parula diurnal flight calls
Fig.2. Maryland September 11, 1994 (MO).
Bird in flight.
Fig.3. New Jersey October 1, 1996 (MO).
Bird in flight.
Diurnal calling sequences:
1. Maryland September 11, 1994 (MO). Bird in flight with Gray Catbird calling in the background.
2. New Jersey October 1, 1996 (MO). Bird in flight.