Thomas G Sander
23 May 1991
- Bear Valley; Upper Geary Cr.
- NAGRA IV-S
- Sennheiser MKH 40
- Roche Parabola 74cm/17.7cm (29.1in/7in)
NOTES: (AOU #372. NM: Y.) Vocalizations are accentuated due to playback. Response on both cuts.
LNS: The subject was changed from Glaucidium gnoma to Aegolius acadicus based on vocalization. --Jay McGowan 6Aug2012