Wilbur L Hershberger
5 Mar 2000
- 6.0 km S of Libertytown , Audrey Carroll Wildlife Sanctu
- 39.4166667 -77.2083333
- 180 meters
- SONY TCD-D10 PRO II
- Sennheiser ME 62
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: This bird was doing begging display to another Song sparrow just prior to this recording.
BNA: The Song is very unusual, possibly a "subsong". CZ 25/06/2004.