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: Unusual vocalizations from a Fox sparrow. Song sparrow in background.
A red fox ran through the area where the Fox sparrow was singing. The SPL seemed to go down a little.