Matthew D Medler
23 Mar 2000
- Aravaipa Canyon Wilderness; west trailhead
- 32.909609 -110.561236
- HHB PORTADAT PDR 1000
- Roche Parabola 60cm/14.5cm (23.6in/5.7in)
NOTES: At least three different song types from one individual, with a second, countersinging individual audible in the background.
BNA: Probably Both Type I and Type II (beginning at about 35 seconds until the end) Song are heard. CZ 27/05/2004.