| Observation | Date | Location | Number of Birds | Data Source |
|---|---|---|---|---|
| Data | 2000-04-22 | Rock Creek Road | 500 | Statewide Survey, 2000 (unpublished) |
| Data | 2000-04-22 | Copperopolis Reservoir | 0 | Statewide Survey, 2000 (unpublished) |
| Data | 2000-04-22 | South Petersburgh Road | 220 | Statewide Survey, 2000 (unpublished) |