presumed White-throated Sparrow nocturnal flight calls
Fig. 9. New Jersey October 26, 1995 (MO).
With Hermit Thrush calling in the background.
Fig.10. New Jersey October 26, 1995 (MO).
With presumed Hermit Thrushes calling in the background.
Fig.11. New York October 19, 1988 (WRE).
Fig.12. Wisconsin May 1, 2001 (WRE).