Colony Locations (Public)
This table contains publicly-accessible records of locations of tricolored blackbird colonies and aggregations. These may have occurred on either public or private property.
If you have not obtained rights of access to locations on private property, please view colonies from public (e.g., county) roads.
Fields provided are county, accepted name of location, whether the location is a known colony location, geographic coordinates, the confidence in the location coordinates, and the primary and secondary substrates types (the types of vegetation present).
Download Data: Excel Spreadsheet (.xls), Comma Separated Values (.csv)
| County | Name | Colony | Latitude | Longitude |
Location Confidence |
Primary Substrate | Secondary Substrate |
|---|---|---|---|---|---|---|---|
| San Joaquin | Tracy | Yes | 37.739000 | -121.436000 | Uncertain | cattails (Typha spp.) | |
| Yolo | Madison | Yes | 38.681000 | -121.967000 | Uncertain | other (note in Comments) | |
| Butte | Gridley | Yes | 39.363300 | -121.697600 | Uncertain | other (note in Comments) | |
| Glenn | Northeast Norman #2 | Yes | 39.484200 | -122.081100 | Uncertain | cattails (Typha spp.) | |
| Yuba | Hammonton | Yes | 39.192800 | -121.419600 | Uncertain | other (note in Comments) | |
| Butte | North Oroville | Yes | 39.612000 | -121.542000 | Uncertain | cattails (Typha spp.) | |
| Monterey | Nacimiento-Fergusson Road | Yes | 35.985800 | -121.232700 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Livingston #2 | Yes | 37.309000 | -120.831000 | Uncertain | cattails (Typha spp.) | willows (Salix spp.) |
| Sacramento | Eagles Nest Road-West | Yes | 38.515600 | -121.265000 | Uncertain | Himalayan blackberry (Rubus armeniacus) | |
| Stanislaus | Roberts Ferry | Yes | 37.633000 | -120.618000 | Uncertain | cattails (Typha spp.) | willows (Salix spp.) |
| San Bernardino | West Loma Linda | Yes | 34.048000 | -117.261000 | Uncertain | bulrush or tule (Schoenoplectus spp.) | |
| Colusa | Delevan NWR- Northeast Corner | Yes | 39.341800 | -122.092100 | Uncertain | cattails (Typha spp.) | |
| Merced | East Los Banos | Yes | 37.066000 | -120.751000 | Uncertain | bulrush or tule (Schoenoplectus spp.) | |
| Sutter | North Robbins #2 | Yes | 38.885000 | -121.707000 | Uncertain | cattails (Typha spp.) | |
| Glenn | East Willows | Yes | 39.513800 | -122.181700 | Uncertain | cattails (Typha spp.) | |
| Glenn | West Glenn #2 | Yes | 39.521700 | -122.051300 | Uncertain | cattails (Typha spp.) |
