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 |
|---|---|---|---|---|---|---|---|
| Santa Clara | Ed Levin County Park | No | 37.458700 | -121.865700 | Certain | other (note in Comments) | |
| Merced | Edminster Rd and 2nd Av | Yes | 37.334951 | -120.896559 | Certain | Himalayan blackberry (Rubus armeniacus) | milk thistle (Silybum marianum) |
| Merced | Edminster Road | No | 37.322800 | -120.896500 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Los Angeles | El Dorado Nature Center | Yes | 33.805100 | -118.087000 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Los Angeles | El Dorado Regional Park | Yes | 33.824300 | -118.084000 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Merced | El Nido | Yes | 37.134000 | -120.492000 | Uncertain | cattails (Typha spp.) | |
| Orange | El Toro | Yes | 33.680000 | -117.658000 | Uncertain | bulrush or tule (Schoenoplectus spp.) | |
| Sacramento | Elder Creek at Bradshaw Road | Yes | 38.504930 | -121.341170 | Certain | Himalayan blackberry (Rubus armeniacus) | wild rose |
| Sacramento | Elder Creek I | Yes | 38.513210 | -121.312460 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Elder Creek II | Yes | 38.518200 | -121.312220 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Los Angeles | Elizabeth Lake | No | 34.663900 | -118.390900 | Certain | ||
| Glenn | Elk Creek | Yes | 39.603400 | -122.538000 | Uncertain | other (note in Comments) | |
| Monterey | Elkhorn Slough | No | 36.859000 | -121.743000 | Uncertain | other (note in Comments) | |
| Fresno | Enterprise Canal | Yes | 36.799330 | -119.522170 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Kern | Entrada Boulevard | No | 35.645400 | -118.366580 | Certain | mustard (Brassica spp.) | |
| Yuba | Erle Road at Bradshaw Road | No | 39.100270 | -121.458670 | Certain | ||
| San Joaquin | Escalon | Yes | 37.794000 | -120.996000 | Uncertain | cattails (Typha spp.) | |
| San Joaquin | Escalon Bellota Road | No | 38.028100 | -121.014900 | Certain | other (note in Comments) | |
| Sacramento | Excelsior and Jackson Rd. | Yes | 38.519624 | -121.294186 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Excelsior Road at Calvine Road | No | 38.453800 | -121.301800 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Excelsior Road at Elder Creek Road | Yes | 38.514910 | -121.302800 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Riverside | Fairmount Park | No | 33.996000 | -117.373000 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| San Joaquin | Farmington Dam | No | 37.913900 | -120.940200 | Certain | other (note in Comments) | |
| Kern | Fay Ranch Road | No | 35.677900 | -118.276700 | Certain | cattails (Typha spp.) | |
| San Luis Obispo | Feenstra Road | Yes | 35.570700 | -120.569600 | Certain | cattails (Typha spp.) | |
| Los Angeles | Fin & Feather Club | Yes | 34.555800 | -118.128000 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Fresno | Firebaugh | Yes | 36.850634 | -120.439028 | Uncertain | other (note in Comments) | |
| Riverside | Fisherman's Retreat | Yes | 33.972620 | -117.094946 | Certain | cattails (Typha spp.) | |
| Sacramento | Five Palm Trees | Yes | 38.509759 | -121.309662 | Certain | Himalayan blackberry (Rubus armeniacus) | other (note in Comments) |
| San Joaquin | Flood Road | No | 38.010100 | -121.035900 | Certain | other (note in Comments) | |
| Sacramento | Florin Road | Yes | 38.498400 | -121.266620 | Certain | milk thistle (Silybum marianum) | |
| Sacramento | Florin Road at Bradshaw Road | No | 38.498300 | -121.325000 | Certain | ||
| Sacramento | Florin Road at Eagles Nest Road | Yes | 38.496000 | -121.253000 | Certain | cattails (Typha spp.) | |
| Sacramento | Florin Road at Excelsior Road #1 | No | 38.497890 | -121.293850 | Certain | ||
| Sacramento | Florin Road at Excelsior Road #2 | Yes | 38.495400 | -121.297180 | Certain | cattails (Typha spp.) | |
| Sacramento | Florin Road at Florencia Lane | Yes | 38.496300 | -121.354900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Florin Road Railroad Tracks | No | 38.494760 | -121.357130 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Merced | Flying M Dam | No | 37.377000 | -120.275500 | Certain | other (note in Comments) | |
| Yuba | Flying Rodeo | No | 39.062582 | -121.514153 | Certain | other (note in Comments) | |
| Sacramento | Folsom Lake College | Yes | 38.662500 | -121.124300 | Certain | Himalayan blackberry (Rubus armeniacus) | cattails (Typha spp.) |
| Sacramento | Folsom South Canal at White Rock Road | Yes | 38.589000 | -121.267000 | Certain | milk thistle (Silybum marianum) | bull thistle (Cirsium vulgare) |
| Sacramento | Folsom South Canal End | Yes | 38.309610 | -121.187590 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Santa Barbara | Foothill Road | Yes | 34.897540 | -119.512300 | Certain | other (note in Comments) | |
| Monterey | Fort Ord | Yes | 36.584480 | -121.723900 | Certain | stinging nettle (Urtica dioica) | |
| Colusa | Four Mile Road | Yes | 39.382013 | -122.113552 | Certain | other (note in Comments) | |
| Tuolumne | Fraguero Road | Yes | 37.997200 | -120.441800 | Certain | other (note in Comments) | cattails (Typha spp.) |
| Fresno | Friant-Kern Canal #1 | Yes | 36.881700 | -119.600000 | Certain | other (note in Comments) | |
| Fresno | Friant-Kern Canal #2 | Yes | 36.868100 | -119.593000 | Certain | cattails (Typha spp.) | |
| Merced | Frog Pond | Yes | 36.946700 | -120.733500 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Yuba | Fruitland Road | No | 39.293700 | -121.506500 | Certain | Himalayan blackberry (Rubus armeniacus) |