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 |
|---|---|---|---|---|---|---|---|
| Alameda | Coyote Hills Regional Park- Dumbarton | Yes | 37.542672 | -122.086945 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Santa Clara | Coyote Percolation Ponds | Yes | 37.245800 | -121.870800 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Santa Clara | Coyote Ranch Park | Yes | 37.227090 | -121.750640 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Yolo | CR 102 and Kentucky Ave. | Yes | 38.691382 | -121.727915 | Certain | stinging nettle (Urtica dioica) | mustard (Brassica spp.) |
| Stanislaus | Crabtree 3 | No | 37.678330 | -120.598470 | Certain | other (note in Comments) | |
| Stanislaus | Crabtree 4 | No | 37.730990 | -120.597500 | Certain | ||
| El Dorado | Crazy Horse Campground | Yes | 38.654100 | -121.004100 | Certain | cattails (Typha spp.) | |
| Monterey | Crazy Horse Pond | Yes | 36.774600 | -121.602600 | Certain | cattails (Typha spp.) | |
| Solano | Creed Road | Yes | 38.242242 | -121.819496 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Solano | Creed Road #2 | No | 38.242300 | -121.809200 | Certain | ||
| Tulare | Creighton Ranch | Yes | 36.069444 | -119.452778 | Certain | other (note in Comments) | |
| Stanislaus | Crows Landing | Yes | 37.393700 | -121.072000 | Uncertain | bulrush or tule (Schoenoplectus spp.) | bulrush or tule (Schoenoplectus spp.) |
| Stanislaus | Crows Landing Road at Bradbury Road | Yes | 37.449000 | -121.003000 | Uncertain | cattails (Typha spp.) | |
| Fresno | CSU Fresno | Yes | 36.817531 | -119.743423 | Certain | other (note in Comments) | |
| San Luis Obispo | Cuesta College | Yes | 35.333500 | -120.736900 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Santa Barbara | Cuyama Elementary School | No | 34.918701 | -119.611000 | Certain | cattails (Typha spp.) | wheat |
| San Luis Obispo | Cuyama Pond | Yes | 34.928200 | -119.519000 | Certain | bulrush or tule (Schoenoplectus spp.) | cattails (Typha spp.) |
| San Luis Obispo | Cuyama River | Yes | 35.067370 | -119.989610 | Certain | cattails (Typha spp.) | |
| Santa Barbara | Cuyama River Bridge | Yes | 34.933840 | -119.598900 | Certain | other (note in Comments) | |
| Marin | Cypress Grove Preserve | Yes | 38.168600 | -122.901000 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Alameda | Dagnino Road | Yes | 37.746422 | -121.744394 | Certain | cattails (Typha spp.) | |
| Alameda | Dagnino Road at May School Road | No | 37.733580 | -121.749010 | Certain | other (note in Comments) | mustard (Brassica spp.) |
| Sacramento | Dairy at Arno Road and Valensin Ranch Road | No | 38.325801 | -121.324790 | Certain | other (note in Comments) | |
| San Diego | Dairy Mart Road | Yes | 32.555000 | -117.063000 | Certain | other (note in Comments) | |
| Yuba | Dairy Road | No | 39.020926 | -121.464608 | Certain | other (note in Comments) | |
| Placer | Dalby Road | No | 38.963000 | -121.398000 | Certain | other (note in Comments) | |
| San Diego | Dameron Valley | Yes | 33.421800 | -116.829100 | Certain | ||
| Yolo | Davis | Yes | 38.552000 | -121.734000 | Uncertain | milk thistle (Silybum marianum) | |
| Sacramento | Davis Road at Dillard Road | No | 38.395400 | -121.260900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Yolo | Davis Waste Water Treatment | No | 38.592900 | -121.677500 | Certain | cattails (Typha spp.) | |
| Tulare | Dead Pig Pond | Yes | 36.028486 | -119.471855 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Sacramento | Deer Creek at Scott Road | Yes | 38.570900 | -121.118900 | Certain | cattails (Typha spp.) | |
| Tulare | Deer Creek Recharge Basin | No | 35.974394 | -119.097805 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Colusa | Delevan Blind 24 | No | 39.283200 | -122.094900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Colusa | Delevan Blind 4 | Yes | 39.326992 | -122.114612 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Colusa | Delevan NWR- Northeast Corner | Yes | 39.341800 | -122.092100 | Uncertain | cattails (Typha spp.) | |
| Colusa | Delevan Road | No | 39.349220 | -122.159160 | Certain | ||
| Colusa | Delevan Road at Four Mile Road | No | 39.322000 | -122.110100 | Certain | ||
| Colusa | Delevan T17.1 | Yes | 39.317100 | -122.105400 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Colusa | Delevan T21.2 | Yes | 39.306700 | -122.109200 | Certain | cattails (Typha spp.) | |
| Colusa | Delevan T42.2 | Yes | 39.276660 | -122.113240 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Colusa | Delevan T43 | Yes | 39.277000 | -122.101900 | Certain | cattails (Typha spp.) | |
| Colusa | Delevan T45.1 | Yes | 39.305300 | -122.182300 | Certain | bulrush or tule (Schoenoplectus spp.) | cattails (Typha spp.) |
| Merced | Delhi | Yes | 37.433000 | -120.778000 | Uncertain | cattails (Typha spp.) | |
| Solano | Denverton Creek | Yes | 38.242103 | -121.887909 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| San Diego | Descanso | Yes | 32.854900 | -116.605000 | Certain | other (note in Comments) | |
| Sacramento | Dewitt Farms | No | 38.734300 | -121.493600 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Stanislaus | Diamond S Ranch | No | 37.628100 | -120.617010 | Certain | ||
| Sacramento | Dillard Road at Clay Station Road | Yes | 38.428400 | -121.200700 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Los Angeles | Dominguez Lagoon | Yes | 33.919100 | -118.260900 | Uncertain | bulrush or tule (Schoenoplectus spp.) |
