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 |
|---|---|---|---|---|---|---|---|
| Monterey | Turkey Flat Road | No | 35.877240 | -120.352520 | Certain | ||
| Sacramento | Borden Road | No | 38.291300 | -121.244700 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Arkansas Creek Dam: South | No | 38.465400 | -121.062400 | Certain | willows (Salix spp.) | |
| Los Angeles | Apollo Park | No | 34.741612 | -118.201218 | Certain | cattails (Typha spp.) | |
| San Diego | Santee Lakes #1 | No | Certain | ||||
| Stanislaus | Wamble and Fogarty | No | 37.756703 | -120.772662 | Certain | other (note in Comments) | |
| Kern | Weed Patch Loop | No | 35.234710 | -118.982810 | Certain | other (note in Comments) | other (note in Comments) |
| Stanislaus | Sonora Road Pond | No | 37.878800 | -120.812600 | Certain | other (note in Comments) | cattails (Typha spp.) |
| Stanislaus | Highway 4 at Calaveras County Line | No | 37.938090 | -120.780160 | Certain | other (note in Comments) | |
| Yolo | Winters Sewage | No | 38.542000 | -121.988000 | Certain | cattails (Typha spp.) | |
| San Luis Obispo | Turri Road, Morro Bay | No | 35.327099 | -120.806999 | Certain | bull thistle (Cirsium vulgare) | |
| Colusa | Lodoga-Stonyford Road | No | Certain | ||||
| San Diego | Portero | No | 32.609285 | -116.627104 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Contra Costa | Marsh Creek Reservoir | No | 37.888419 | -121.725597 | Certain | cattails (Typha spp.) | |
| Los Angeles | Amargosa Creek | No | 34.606600 | -118.260600 | Certain | ||
| San Diego | Lower Otay Lake | No | Certain | ||||
| Placer | Brewer Road #1 | No | 38.836700 | -121.443000 | Certain | ||
| Sacramento | Hauschildt Road | No | 38.300000 | -121.289000 | Certain | ||
| Glenn | Stony Gorge Reservoir | No | 39.547800 | -122.516700 | Certain | willows (Salix spp.) | |
| Kern | Tehachapi #7 - Horse Thief | No | 35.087799 | -118.642998 | Certain | other (note in Comments) | |
| Merced | Los Banos Wildlife Area 64-Slough | No | 37.162400 | -120.795600 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Monterey | Peach Tree Road | No | 36.179500 | -120.797800 | Certain | ||
| Sacramento | Florin Road Railroad Tracks | No | 38.494760 | -121.357130 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Santa Barbara | Possible Pond | No | 34.904499 | -119.513000 | Certain | cattails (Typha spp.) | |
| Colusa | Colusa NWR P1 | No | 39.137100 | -122.039700 | Certain | other (note in Comments) | |
| Stanislaus | Diamond S Ranch | No | 37.628100 | -120.617010 | Certain | ||
| Sacramento | River Road at Tule Canal | No | 38.675900 | -121.649100 | Certain | ||
| Placer | Moore Road #1 | No | Certain | other (note in Comments) | |||
| San Joaquin | South Airport Way at Avenue D | No | 37.700700 | -121.238500 | Certain | ||
| Placer | Wise Road Lincoln Airport | No | 38.926000 | -121.348000 | Certain | other (note in Comments) | |
| Calaveras | Highway 4 at Copperopolis | No | 37.965020 | -120.668640 | Certain | other (note in Comments) | |
| Monterey | Elkhorn Slough | No | 36.859000 | -121.743000 | Uncertain | other (note in Comments) | |
| Sacramento | 16th Street at Elverta Road | No | Certain | other (note in Comments) | |||
| Los Angeles | Gorman Post Road #2 | No | 34.784090 | -118.812220 | Certain | cattails (Typha spp.) | willows (Salix spp.) |
| Fresno | Little Panoche Reservoir- Parking Lot | No | 36.785300 | -120.799000 | Certain | ||
| Placer | Airport Road | No | 38.908800 | -121.358500 | Certain | ||
| Glenn | Road 48 | No | 39.535000 | -122.169600 | Certain | cattails (Typha spp.) | |
| San Joaquin | Corral Hollow Road | No | 37.674010 | -121.454530 | Certain | other (note in Comments) | |
| Butte | Central House Road | No | 39.349860 | -121.583880 | Certain | other (note in Comments) | |
| Colusa | Pyle's Ranch | No | 38.945890 | -122.040580 | Certain | cattails (Typha spp.) | |
| San Diego | Camp Pendleton | No | 33.450206 | -117.421875 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Merced | Big Bottom Dairy | No | 37.299900 | -120.883300 | Certain | ||
| Los Angeles | Una Lake/Barrel Springs Wetlands | No | 34.550221 | -118.111911 | Certain | willows (Salix spp.) | bulrush or tule (Schoenoplectus spp.) |
| Solano | Collinsville Road #1 | No | 38.106000 | -121.861560 | Certain | ||
| Butte | Nelson Avenue | No | 39.523800 | -121.652900 | Certain | other (note in Comments) | |
| Tulare | Homeland Canal and Avenue 120 | No | 36.006201 | -119.467049 | Certain | ||
| Merced | Los Banos Wildlife Area 57 | No | 37.135320 | -120.770480 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Sacramento | Alta Mesa Road | No | 38.277500 | -121.224900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Merced | Green House Road | No | 37.225900 | -120.693300 | Certain | stinging nettle (Urtica dioica) | |
| San Benito | Calistoga Drive | No | 36.828850 | -121.369450 | Certain |
