Livermore Marsh and Cypress Grove Preserve; 1 mile northwest of Marshall on the east shore of Tomales Bay. Freshwater marsh; bulrushes and open water.
| Record | Observation Date | Observer | Number of Birds | Data Source |
|---|---|---|---|---|
| Data | 2011-04-17 | Jon Winter | 0 | Statewide Survey, 2011 (unpublished) |
| Data | 2005-06-03 | John Kelly | 0 | Statewide Survey, June 2005 (unpublished) |
| Data | 1999-04-24 | John Kelly | 0 | Statewide Survey, 1999 (unpublished) |
| Data | 1988-06-06 | Rich Stallcup | 1125 | Breeding status, distribution, and habitat associations of the Tricolored Blackbird (Agelaius tricolor) 1859-1989. |
| Data | 1988-05-19 | John Kelly | 1125 | Breeding status, distribution, and habitat associations of the Tricolored Blackbird (Agelaius tricolor) 1859-1989. |