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 |
|---|---|---|---|---|---|---|---|
| Merced | Stevinson 3rd AV; Merquin Elementary | No | 37.328775 | -120.862699 | Certain | other (note in Comments) | |
| Solano | Stevenson Bridge Road | No | Certain | other (note in Comments) | |||
| Merced | Stair Step | No | 37.039800 | -120.968300 | Certain | ||
| Glenn | Southwest Willows #2 | Yes | 39.469400 | -122.248200 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Willows | Yes | 39.480400 | -122.236100 | Uncertain | cattails (Typha spp.) | |
| Sonoma | Southwest Sonoma County | Yes | 38.370000 | -122.990000 | Uncertain | other (note in Comments) | |
| Sacramento | Southwest Scott Road | Yes | 38.529000 | -121.144000 | Uncertain | Himalayan blackberry (Rubus armeniacus) | |
| Yolo | Southwest Sacramento | Yes | 38.511000 | -121.564000 | Uncertain | cattails (Typha spp.) | |
| Butte | Southwest Richvale | Yes | 39.483800 | -121.758300 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Princeton | Yes | 39.395000 | -122.021000 | Uncertain | cattails (Typha spp.) | |
| Butte | Southwest Oroville | Yes | 39.462500 | -121.607000 | Uncertain | willows (Salix spp.) | |
| Glenn | Southwest Orland | No | 39.716500 | -122.227000 | Uncertain | cattails (Typha spp.) | |
| Fresno | Southwest of Fresno | Yes | 36.430000 | -120.170000 | Uncertain | stinging nettle (Urtica dioica) | willows (Salix spp.) |
| Merced | Southwest Merced #2 | Yes | 37.265400 | -120.512400 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Merced | Yes | 37.288000 | -120.490000 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Maxwell #2 | Yes | 39.257300 | -122.219500 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Maxwell | Yes | 39.248500 | -122.234400 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Livingston #2 | Yes | 37.309000 | -120.831000 | Uncertain | cattails (Typha spp.) | willows (Salix spp.) |
| Merced | Southwest Livingston | Yes | 37.347000 | -120.776000 | Uncertain | cattails (Typha spp.) | |
| Stanislaus | Southwest La Grange #2 | Yes | 37.624600 | -120.500200 | Uncertain | cattails (Typha spp.) | |
| San Joaquin | Southwest La Grange | Yes | 37.640000 | -120.480000 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Grimes | Yes | 39.026700 | -121.963500 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Glenn #2 | Yes | 39.472700 | -122.082800 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Glenn | Yes | 39.510700 | -122.025500 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Cortena | Yes | 39.209000 | -122.202000 | Uncertain | cattails (Typha spp.) | |
| Kings | Southwest Corcoran | Yes | 36.044380 | -119.612532 | Uncertain | bulrush or tule (Schoenoplectus spp.) | |
| Colusa | Southwest Colusa | Yes | 39.128700 | -122.143500 | Uncertain | cattails (Typha spp.) | |
| Contra Costa | Southwest Byron | Yes | 37.857700 | -121.651500 | Uncertain | bull thistle (Cirsium vulgare) | |
| Shasta | Southwest Anderson | Yes | 40.407000 | -122.340000 | Uncertain | other (note in Comments) | |
| Glenn | Southeast Willows #5 | Yes | 39.440900 | -122.109200 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #4 | Yes | 39.472400 | -122.148000 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #3 | Yes | 39.483500 | -122.160200 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #2 | Yes | 39.451600 | -122.122600 | Uncertain | willows (Salix spp.) | |
| Glenn | Southeast Willows | Yes | 39.437500 | -122.088300 | Uncertain | cattails (Typha spp.) | |
| Merced | Southeast Stevinson | Yes | 37.313600 | -120.835200 | Uncertain | milk thistle (Silybum marianum) | bull thistle (Cirsium vulgare) |
| Butte | Southeast Richvale | Yes | 39.483300 | -121.731800 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southeast Maxwell | Yes | 39.246400 | -122.150800 | Uncertain | cattails (Typha spp.) | |
| Shasta | Southeast Anderson #2 | Yes | 40.440000 | -122.270000 | Uncertain | cattails (Typha spp.) | |
| Shasta | Southeast Anderson | Yes | 40.400000 | -122.220000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Glenn | Southeast Afton | Yes | 39.389609 | -121.952105 | Uncertain | cattails (Typha spp.) | |
| Glenn | South Willows #3 | Yes | 39.470700 | -122.200500 | Uncertain | cattails (Typha spp.) | |
| Glenn | South Willows | Yes | 39.485000 | -122.200400 | Uncertain | cattails (Typha spp.) | |
| Kings | South Wilbur Flood Basin | Yes | 35.828500 | -119.626600 | Certain | cattails (Typha spp.) | |
| Merced | South Turlock | Yes | 37.445000 | -120.854000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Snelling #2 | Yes | 37.504000 | -120.440000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Snelling | Yes | 37.489000 | -120.439000 | Uncertain | cattails (Typha spp.) | |
| Shasta | South Redding | Yes | 40.480000 | -122.370000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Calaveras | South Petersburgh Road | Yes | 38.188400 | -120.796700 | Certain | cattails (Typha spp.) | Himalayan blackberry (Rubus armeniacus) |
| Merced | South of Merced | Yes | 37.079000 | -120.476000 | Uncertain | cattails (Typha spp.) | |
| Merced | South of Childs | Yes | 37.285170 | -120.255340 | Certain | milk thistle (Silybum marianum) |
