Contributor
Erica Rutherford/ John Colbert Media from this contributor
Date
Location
Tilden Regional Park--Vollmer Peak
Contra Costa, California, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
- Playback
- Not specified
Media notes
slightly amplified
Observation details
Heard chirping from redwood (fir?) trees while chatting with Jim at trailhead. Merlin suggested Crossbill but I’m not familiar with this call or could not tease it out. Listing as passerine sp. for now. Spectrogram looks like a Type 4. Actual count unknown - did not see. Edit: Confirmed as Type 4 by Tim Spahr (https://ebird.org/news/crossbills-of-north-america-species-and-red-crossbill-call-types/)
Additional species
Technical information
- Recorder
- Microphone
- Accessories
- Original file size
- 781.3 KB