Contributor
Adam Dudley Media from this contributor Profile
Date
Location
Rancho Corral de Tierra--El Granada Area (Upper)-God's Trail
San Mateo, California, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
- Playback
- Not specified
Observation details
mixed flock of type 2 and 4 crossbills (confirmed by sonogram analysis by Tim Spahr). Type 4 crossbills can be heard from 6s onwards
Technical information
- Recorder
- Microphone
- Accessories
- Original file size
- 1.15 MB