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 |
|---|---|---|---|---|---|---|---|
| Glenn | South Afton | Yes | 39.388448 | -121.966782 | Uncertain | cattails (Typha spp.) | |
| San Joaquin | South Airport Way at Avenue D | No | 37.700700 | -121.238500 | Certain | ||
| Shasta | South Anderson | Yes | 40.444300 | -122.291500 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Merced | South Buhach Road at Highway 140 | Yes | 37.301900 | -120.574200 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Kings | South Corcoran | Yes | 35.949000 | -119.557000 | Uncertain | mustard (Brassica spp.) | other (note in Comments) |
| San Diego | South Fallbrook | Yes | 33.354000 | -117.238000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| San Luis Obispo | South Gillis Canyon Road | Yes | 35.623300 | -120.256400 | Certain | milk thistle (Silybum marianum) | |
| Shasta | South Glenburg | Yes | 41.047000 | -121.489000 | Uncertain | Himalayan blackberry (Rubus armeniacus) | wild rose |
| Kern | South Lake Road | Yes | 35.136800 | -119.304200 | Certain | other (note in Comments) | other (note in Comments) |
| Merced | South Livingston | Yes | 37.371000 | -120.723000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Livingston #2 | Yes | 37.357000 | -120.723000 | Uncertain | cattails (Typha spp.) | |
| San Joaquin | South Manteca | Yes | 37.784000 | -121.228000 | Uncertain | cattails (Typha spp.) | |
| Yuba | South Marysville | Yes | 38.930000 | -121.570000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Yuba | South Marysville #2 | Yes | 39.009000 | -121.580000 | Uncertain | cattails (Typha spp.) | |
| Yuba | South Marysville #3 | Yes | 39.139000 | -121.583000 | Uncertain | cattails (Typha spp.) | |
| Colusa | South Maxwell | Yes | 39.214200 | -122.189900 | Uncertain | cattails (Typha spp.) | |
| Stanislaus | South Oakdale | Yes | 37.752000 | -120.846000 | Uncertain | cattails (Typha spp.) | |
| Merced | South of Childs | Yes | 37.285170 | -120.255340 | Certain | milk thistle (Silybum marianum) | |
| Merced | South of Merced | Yes | 37.079000 | -120.476000 | Uncertain | cattails (Typha spp.) | |
| Calaveras | South Petersburgh Road | Yes | 38.188400 | -120.796700 | Certain | cattails (Typha spp.) | Himalayan blackberry (Rubus armeniacus) |
| Shasta | South Redding | Yes | 40.480000 | -122.370000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Merced | South Snelling | Yes | 37.489000 | -120.439000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Snelling #2 | Yes | 37.504000 | -120.440000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Turlock | Yes | 37.445000 | -120.854000 | Uncertain | cattails (Typha spp.) | |
| Kings | South Wilbur Flood Basin | Yes | 35.828500 | -119.626600 | Certain | cattails (Typha spp.) | |
| Glenn | South Willows | Yes | 39.485000 | -122.200400 | Uncertain | cattails (Typha spp.) | |
| Glenn | South Willows #3 | Yes | 39.470700 | -122.200500 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Afton | Yes | 39.389609 | -121.952105 | Uncertain | cattails (Typha spp.) | |
| Shasta | Southeast Anderson | Yes | 40.400000 | -122.220000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Shasta | Southeast Anderson #2 | Yes | 40.440000 | -122.270000 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southeast Maxwell | Yes | 39.246400 | -122.150800 | Uncertain | cattails (Typha spp.) | |
| Butte | Southeast Richvale | Yes | 39.483300 | -121.731800 | Uncertain | cattails (Typha spp.) | |
| Merced | Southeast Stevinson | Yes | 37.313600 | -120.835200 | Uncertain | milk thistle (Silybum marianum) | bull thistle (Cirsium vulgare) |
| Glenn | Southeast Willows | Yes | 39.437500 | -122.088300 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #2 | Yes | 39.451600 | -122.122600 | Uncertain | willows (Salix spp.) | |
| Glenn | Southeast Willows #3 | Yes | 39.483500 | -122.160200 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #4 | Yes | 39.472400 | -122.148000 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southeast Willows #5 | Yes | 39.440900 | -122.109200 | Uncertain | cattails (Typha spp.) | |
| Shasta | Southwest Anderson | Yes | 40.407000 | -122.340000 | Uncertain | other (note in Comments) | |
| Contra Costa | Southwest Byron | Yes | 37.857700 | -121.651500 | Uncertain | bull thistle (Cirsium vulgare) | |
| Colusa | Southwest Colusa | Yes | 39.128700 | -122.143500 | Uncertain | cattails (Typha spp.) | |
| Kings | Southwest Corcoran | Yes | 36.044380 | -119.612532 | Uncertain | bulrush or tule (Schoenoplectus spp.) | |
| Colusa | Southwest Cortena | Yes | 39.209000 | -122.202000 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Glenn | Yes | 39.510700 | -122.025500 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Glenn #2 | Yes | 39.472700 | -122.082800 | Uncertain | cattails (Typha spp.) | |
| Colusa | Southwest Grimes | Yes | 39.026700 | -121.963500 | Uncertain | cattails (Typha spp.) | |
| San Joaquin | Southwest La Grange | Yes | 37.640000 | -120.480000 | Uncertain | cattails (Typha spp.) | |
| Stanislaus | Southwest La Grange #2 | Yes | 37.624600 | -120.500200 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Livingston | Yes | 37.347000 | -120.776000 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Livingston #2 | Yes | 37.309000 | -120.831000 | Uncertain | cattails (Typha spp.) | willows (Salix spp.) |
