Geoffrey A Keller
3 Jun 2002
- Kern River Preserve; near the migrant corner
- 853 meters
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Apparently a type of song from Rock Wren... Bird was vocalizing from large granite boulder.... The area was a fairly steep slope containing granite boulders and rabbit brush, adjacent to lush riparian area of Fremont Cottonwoods and Red Willows."