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presumed Dickcissel nocturnal flight calls

Fig.5. Texas April 29 1998 (WRE). 

Fig.6. Texas April 28, 1998 (WRE).

Fig.7. Nebraska October 6, 1996 (WRE).

Note band of insect noise at 4 kHz.

Nocturnal flight call sequences:

1. Texas April 29, 1998 (WRE). Dickcissel night flight calls with weak Mockingbird song in the background.

2. Texas May 1, 1996 (WRE). Dickcissel night flight calls with Common Pauraque song.