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 |
|---|---|---|---|---|---|---|---|
| Stanislaus | South Oakdale | Yes | 37.752000 | -120.846000 | Uncertain | cattails (Typha spp.) | |
| Colusa | South Maxwell | Yes | 39.214200 | -122.189900 | Uncertain | cattails (Typha spp.) | |
| Yuba | South Marysville #3 | Yes | 39.139000 | -121.583000 | Uncertain | cattails (Typha spp.) | |
| Yuba | South Marysville #2 | Yes | 39.009000 | -121.580000 | Uncertain | cattails (Typha spp.) | |
| Yuba | South Marysville | Yes | 38.930000 | -121.570000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| San Joaquin | South Manteca | Yes | 37.784000 | -121.228000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Livingston #2 | Yes | 37.357000 | -120.723000 | Uncertain | cattails (Typha spp.) | |
| Merced | South Livingston | Yes | 37.371000 | -120.723000 | Uncertain | cattails (Typha spp.) | |
| Kern | South Lake Road | Yes | 35.136800 | -119.304200 | Certain | other (note in Comments) | other (note in Comments) |
| Shasta | South Glenburg | Yes | 41.047000 | -121.489000 | Uncertain | Himalayan blackberry (Rubus armeniacus) | wild rose |
| San Luis Obispo | South Gillis Canyon Road | Yes | 35.623300 | -120.256400 | Certain | milk thistle (Silybum marianum) | |
| San Diego | South Fallbrook | Yes | 33.354000 | -117.238000 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Kings | South Corcoran | Yes | 35.949000 | -119.557000 | Uncertain | mustard (Brassica spp.) | other (note in Comments) |
| Merced | South Buhach Road at Highway 140 | Yes | 37.301900 | -120.574200 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Shasta | South Anderson | Yes | 40.444300 | -122.291500 | Uncertain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| San Joaquin | South Airport Way at Avenue D | No | 37.700700 | -121.238500 | Certain | ||
| Glenn | South Afton | Yes | 39.388448 | -121.966782 | Uncertain | cattails (Typha spp.) | |
| Stanislaus | Sonora Road Pond | No | 37.878800 | -120.812600 | Certain | other (note in Comments) | cattails (Typha spp.) |
| Stanislaus | Sonora Road #2 | No | 37.873320 | -120.802600 | Certain | other (note in Comments) | |
| Stanislaus | Sonora Road #1 | No | 37.880100 | -120.814600 | Certain | other (note in Comments) | |
| Merced | Snyder Road at I-5 | Yes | 37.198300 | -121.075500 | Certain | cattails (Typha spp.) | |
| Merced | Snelling | Yes | 37.518900 | -120.440000 | Uncertain | cattails (Typha spp.) | |
| Sacramento | Small Dairy on Arno Road near McKenzie Road | No | 38.320200 | -121.314000 | Certain | other (note in Comments) | |
| Monterey | Skyline Road | Yes | 36.610700 | -121.729370 | Certain | stinging nettle (Urtica dioica) | mustard (Brassica spp.) |
| Sacramento | Skunk Creek at Alabama Road | No | 38.275470 | -121.208510 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Skunk Creek | Yes | 38.296300 | -121.233900 | Certain | other (note in Comments) | Himalayan blackberry (Rubus armeniacus) |
| Colusa | Sites-Lodoga Road | Yes | 39.328200 | -122.358800 | Certain | willows (Salix spp.) | milk thistle (Silybum marianum) |
| Santa Barbara | Sisquoc River/Tepusquet Creek | Yes | 34.861110 | -120.255990 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Stanislaus | Simon Newman Ranch | Yes | 37.327069 | -121.190363 | Certain | milk thistle (Silybum marianum) | |
| Sacramento | Simmerhorn Road | Yes | 38.263700 | -121.198400 | Certain | other (note in Comments) | |
| Fresno | Silver Creek at Panoche Road | Yes | 36.589090 | -120.684610 | Uncertain | other (note in Comments) | other (note in Comments) |
| Sacramento | Silva Ranch Road | Yes | 38.476600 | -121.155900 | Certain | Himalayan blackberry (Rubus armeniacus) | willows (Salix spp.) |
| Kern | Sierra Way Pond | Yes | 35.679800 | -118.383900 | Certain | cattails (Typha spp.) | |
| Kern | Sierra Way | Yes | 35.670300 | -118.340600 | Certain | cattails (Typha spp.) | |
| Tulare | Sierra Dairy | No | 0.000000 | 0.000000 | Certain | bull thistle (Cirsium vulgare) | |
| Stanislaus | Shiloh Road | No | 37.604440 | -121.131520 | Certain | other (note in Comments) | |
| Alameda | Sheridan Road | No | 37.553883 | -121.882324 | Certain | other (note in Comments) | |
| Fresno | Shell Road Feedlot | No | 36.222700 | -120.348000 | Certain | milk thistle (Silybum marianum) | |
| San Luis Obispo | Shell Creek Road #2 | Yes | 35.567509 | -120.334529 | Certain | cattails (Typha spp.) | Himalayan blackberry (Rubus armeniacus) |
| San Luis Obispo | Shell Creek Road #1 | Yes | 35.562569 | -120.331836 | Certain | bulrush or tule (Schoenoplectus spp.) | cattails (Typha spp.) |
| Sacramento | Sheldon Road at Waterman Road #2 | Yes | 38.442060 | -121.348200 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Sheldon Road at Waterman Road #1 | No | 38.437800 | -121.349600 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Sheldon Road at Highway 99 | Yes | 38.437000 | -121.392000 | Certain | cattails (Typha spp.) | |
| Sacramento | Sheldon Road at Bradshaw Road | No | 38.437400 | -121.335200 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Fresno | Shaw Avenue at Academy Avenue | Yes | 36.809010 | -119.566934 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Siskiyou | Shasta Valley WA | No | 41.707160 | -122.475290 | Certain | other (note in Comments) | |
| Alameda | Shadow Cliffs Lake | Yes | 37.665614 | -121.831512 | Certain | cattails (Typha spp.) | |
| Kern | Semitropic Storage Pond | Yes | 35.722911 | -119.389586 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Santa Barbara | Sedgwick Reserve | Yes | 34.695230 | -120.041660 | Certain | cattails (Typha spp.) | bulrush or tule (Schoenoplectus spp.) |
| Merced | Second and Edminister | Yes | 37.332880 | -120.899360 | Certain | Himalayan blackberry (Rubus armeniacus) |
