Matthew R Jones
3 Jan 2011
New MexicoSierra County
- 21.6 km NW of Hatch; S of Arrey on east bank of Rio Grande near Highway 187
- 32.8200167 -107.3009167
- 1259 meters
- SONY PCM-D50
- Sennheiser ME 66
Notes: Sunset at 1714; group flying north to roosting sites.
Habitat: Dirt road near agricultural fields and river.
LNS: 150 Hz AUHipass filter applied in soundBlade.