| Observation | Date | Location | Number of Birds | Data Source |
|---|---|---|---|---|
| Data | 2008-04-25 | Kern NWR Unit 1 | 0 | Statewide Survey, 2008 (unpublished) |
| Data | 2008-04-22 | Kern River Channel #1 | 0 | Statewide Survey, 2008 (unpublished) |
| Data | 2008-04-22 | Kern NWR Fowler Canal | 0 | Statewide Survey, 2008 (unpublished) |
| Data | 2008-04-22 | Kern River Channel #2 | 0 | Statewide Survey, 2008 (unpublished) |
| Data | 2005-04-26 | Kern River Channel #2 | 850 | Statewide Survey, 2005 (unpublished) |
| Data | 2005-04-26 | Kern River Channel #1 | 305 | Statewide Survey, 2005 (unpublished) |
| Data | 2005-04-22 | Kern NWR Fowler Canal | 302 | Statewide Survey, 2005 (unpublished) |