Geoffrey A Keller
22 May 2001
- Hopland Research Experimental Range
- 732 meters
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Bird was vocalizing from chaparral vegetation on exposed perch... This bird's territory is adjacent to the previous bird's (LNS 118845) territory, separated by a road."
BNA: Song is heard. CZ 03/06/2004.