kHz
ML551869901
Contributor
jerald britten Media from this contributor Profile
Date
Location
Los Vaqueros Reservoir--Kellogg Creek Staging Area
Contra Costa, California, United States
Media from this location Illustrated Checklist- Age
- Not specified
- Sex
- Not specified
- Playback
- Not specified
Observation details
Difficult to estimate size of colony. Clearly more than 500, closer to 1000 so we went with this number.
Technical information
- Recorder
- Microphone
- Accessories
- Original file size
- 2.69 MB