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 |
|---|---|---|---|---|---|---|---|
| Sacramento | Clay | Yes | 38.335900 | -121.159800 | Uncertain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Clay Station Rd and Momtoma Ln. | Yes | 38.405835 | -121.173583 | Certain | cattails (Typha spp.) | |
| Sacramento | Clay Station Road | Yes | 38.354400 | -121.174400 | Certain | cattails (Typha spp.) | |
| San Joaquin | Clements Road at Comstock Road | No | 38.045580 | -121.078000 | Certain | ||
| Los Angeles | Cleveland's Pond | No | 34.782500 | -118.804900 | Certain | ||
| San Luis Obispo | Cloisters Pond Morro Bay | No | 35.389099 | -120.861000 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Shasta | Clover Creek Preserve | No | 40.551399 | -122.315002 | Certain | ||
| Shasta | Clover Creek South | Yes | 40.489840 | -122.302850 | Certain | Himalayan blackberry (Rubus armeniacus) | other (note in Comments) |
| Fresno | Coalinga Gravel Pit | Yes | 36.168500 | -120.368600 | Certain | cattails (Typha spp.) | |
| San Benito | Coalinga Road | No | 36.359690 | -120.848870 | Certain | ||
| San Benito | Coalinga Road at Highway 25 | No | 36.407710 | -120.992710 | Certain | ||
| Sacramento | Coe Lane | Yes | 38.495317 | -121.311808 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Monterey | Coleman Reservoir | Yes | 35.971338 | -121.170959 | Certain | cattails (Typha spp.) | |
| Solano | Collinsville Road #1 | No | 38.106000 | -121.861560 | Certain | ||
| Solano | Collinsville Road #2 | No | 38.082510 | -121.850580 | Certain | ||
| Sacramento | Colony Road at Walmort Road | Yes | 38.367500 | -121.245790 | Certain | Himalayan blackberry (Rubus armeniacus) | cattails (Typha spp.) |
| Colusa | Colusa | Yes | 39.207600 | -122.010400 | Uncertain | other (note in Comments) | |
| Butte | Colusa Highway at Farris Road | No | 39.357600 | -121.775000 | Certain | ||
| Colusa | Colusa NWR P1 | No | 39.137100 | -122.039700 | Certain | other (note in Comments) | |
| Colusa | Colusa NWR T21 | Yes | 39.126100 | -122.049000 | Certain | cattails (Typha spp.) | |
| Colusa | Colusa NWR T21&22 | Yes | Certain | cattails (Typha spp.) | |||
| Colusa | Colusa NWR Viewing Platform | No | 39.188281 | -122.044593 | Certain | cattails (Typha spp.) | |
| Yolo | Conaway Ranch | Yes | 38.646600 | -121.708800 | Certain | milk thistle (Silybum marianum) | |
| Yolo | Conaway Ranch #3 | Yes | 38.604400 | -121.711000 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Yolo | Conaway Ranch Berries | Yes | 38.646600 | -121.689300 | Certain | Himalayan blackberry (Rubus armeniacus) | willows (Salix spp.) |
| Yolo | Conaway Ranch Brood Ponds | Yes | 38.629700 | -121.703700 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Yolo | Conaway Ranch Thistles | Yes | 38.643700 | -121.709000 | Certain | milk thistle (Silybum marianum) | |
| Sacramento | Consumnes River | No | 38.359000 | -121.324600 | Certain | ||
| Solano | Cook Lane | No | 38.268780 | -121.824220 | Certain | ||
| Stanislaus | Cooperstown Road | No | 37.736300 | -120.586100 | Certain | other (note in Comments) | |
| Sonoma | Copeland Creek | Yes | 38.342800 | -122.669000 | Certain | Himalayan blackberry (Rubus armeniacus) | willows (Salix spp.) |
| Sonoma | Copeland Creek #2 | Yes | 38.343400 | -122.673800 | Uncertain | Himalayan blackberry (Rubus armeniacus) | willows (Salix spp.) |
| Calaveras | Copperopolis Pond | Yes | 37.982800 | -120.646900 | Certain | cattails (Typha spp.) | |
| Calaveras | Copperopolis Reservoir | No | 37.984400 | -120.650900 | Certain | cattails (Typha spp.) | |
| San Luis Obispo | Corbett Canyon | Yes | 35.197922 | -120.602932 | Certain | bulrush or tule (Schoenoplectus spp.) | willows (Salix spp.) |
| Kern | Corcoran Road | Yes | 35.644700 | -119.578300 | Certain | cattails (Typha spp.) | |
| San Joaquin | Corral Hollow Road | No | 37.674010 | -121.454530 | Certain | other (note in Comments) | |
| Merced | Cottonwood Creek WA | No | 37.084250 | -121.177460 | Certain | cattails (Typha spp.) | |
| Butte | Cottonwood Road #1 | No | Certain | willows (Salix spp.) | |||
| Butte | Cottonwood Road #2 | No | 39.553520 | -121.618300 | Certain | other (note in Comments) | |
| Glenn | County Line Norman Road | Yes | 39.408631 | -122.136716 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Modoc | County Road 187A | Yes | 41.325731 | -120.534267 | Certain | cattails (Typha spp.) | |
| Yolo | County Road 20 at Road 92C | No | 38.699800 | -121.900600 | Certain | other (note in Comments) | |
| Yolo | County Road 25 Reservoir | Yes | 38.646000 | -121.694300 | Certain | Himalayan blackberry (Rubus armeniacus) | cattails (Typha spp.) |
| Yolo | County Road 92B | Yes | 38.764580 | -121.924030 | Certain | other (note in Comments) | |
| Butte | County Road Z | No | 39.536400 | -121.919000 | Certain | other (note in Comments) | |
| San Joaquin | Coyote Creek at Dry Creek Road | No | 38.262800 | -121.135700 | Certain | other (note in Comments) | |
| San Joaquin | Coyote Creek at Elliot Road | No | 38.242290 | -121.172000 | Certain | ||
| Sacramento | Coyote Creek at Scott Road | Yes | 38.559300 | -121.127600 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Alameda | Coyote Hills Regional Park- Central | No | 37.552199 | -122.087803 | Certain | bulrush or tule (Schoenoplectus spp.) |
