Geoffrey A Keller
21 May 2001
- 14.5 km NE of Healdsburg; on Pine Flat Rd.
- 460 meters
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Bird was vocalizing from the ground in area containing scattered oaks and open grassland, as well as edge of more densely forested area containing pines and Douglas Fir. Bird was probably vocalizing in response to my presence."