Geoffrey A Keller
8 Jul 2001
CaliforniaDel Norte County
- 8.0 km N of Crescent City; Lake Earl Wildlife Area
- 15 meters
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Unusual vocalizations from Song Sparrow, visually identified... Bird was vocalizing from understory of Douglas Fir and cascara and Wax Myrtle..."
BNA: The vocalizations are very unusual, possibly Alarm Calls? CZ 29/06/2004.