Geoffrey A Keller
20 May 2001
- 1.6 km NW of Petrolia
No locations found with lat/long
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: "Bird was vocalizing from the tops of 3 young Douglas Fir trees..."
BNA: Probably the Chip (also known as Tsip or Chink) Call is heard. CZ 14/06/2004.