Michael J Andersen
15 Jun 2005
- 2.0 km S of Field Station on Center Patrol Road, Malheur NWR
- 1330 meters
No locations found with lat/long
- HHB PORTADAT PDR 1000
- Telinga Parabola 54.7cm/15.5cm (21.5in/6.1in)
Freshwater marsh stereo parabola cut pointed towards the Larus pipixcan colony. Colony is about 200 m away. High-pass filter engaged on Telinga microphone.