Geoffrey A Keller
14 Apr 2001
- 20.0 km NW of Palo Verde
- 122 meters
No locations found with lat/long
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Birds were vocalizing from unknown location in dense thicket containing palo verde trees as well as other riparian forms..."
BNA: Porbably the Long Song is heard. CZ 18/06/2004.