Geoffrey A Keller
31 May 2002
- Yosemite National Park; Tuolome Meadows
- 2590 meters
No locations found with lat/long
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Bird was singing at edge of meadow in coniferous trees, probably lodgepole pine... Sunrise was probably at approx 540hr."
BNA: The Male Song is heard. CZ 24/06/2004.