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 |
|---|---|---|---|---|---|---|---|
| Colusa | Southwest Maxwell #2 | Yes | 39.257300 | -122.219500 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Merced | Yes | 37.288000 | -120.490000 | Uncertain | cattails (Typha spp.) | |
| Merced | Southwest Merced #2 | Yes | 37.265400 | -120.512400 | Uncertain | cattails (Typha spp.) | |
| Fresno | Southwest of Fresno | Yes | 36.430000 | -120.170000 | Uncertain | stinging nettle (Urtica dioica) | willows (Salix spp.) |
| Glenn | Southwest Orland | No | 39.716500 | -122.227000 | Uncertain | cattails (Typha spp.) | |
| Butte | Southwest Oroville | Yes | 39.462500 | -121.607000 | Uncertain | willows (Salix spp.) | |
| Colusa | Southwest Princeton | Yes | 39.395000 | -122.021000 | Uncertain | cattails (Typha spp.) | |
| Butte | Southwest Richvale | Yes | 39.483800 | -121.758300 | Uncertain | cattails (Typha spp.) | |
| Yolo | Southwest Sacramento | Yes | 38.511000 | -121.564000 | Uncertain | cattails (Typha spp.) | |
| Sacramento | Southwest Scott Road | Yes | 38.529000 | -121.144000 | Uncertain | Himalayan blackberry (Rubus armeniacus) | |
| Sonoma | Southwest Sonoma County | Yes | 38.370000 | -122.990000 | Uncertain | other (note in Comments) | |
| Glenn | Southwest Willows | Yes | 39.480400 | -122.236100 | Uncertain | cattails (Typha spp.) | |
| Glenn | Southwest Willows #2 | Yes | 39.469400 | -122.248200 | Uncertain | cattails (Typha spp.) | |
| Merced | Stair Step | No | 37.039800 | -120.968300 | Certain | ||
| Solano | Stevenson Bridge Road | No | Certain | other (note in Comments) | |||
| Merced | Stevinson 3rd AV; Merquin Elementary | No | 37.328775 | -120.862699 | Certain | other (note in Comments) | |
| Alameda | Stivers Lagoon | Yes | 37.548933 | -121.961900 | Certain | bulrush or tule (Schoenoplectus spp.) | |
| Kern | Stockdale Highway at Buena Vista Road | No | 35.349200 | -119.126600 | Certain | ||
| Colusa | Stone Corral Creek | Yes | 39.286500 | -122.297600 | Certain | wheat | |
| Sacramento | Stonehouse Road | Yes | 38.503000 | -121.103000 | Certain | other (note in Comments) | |
| Glenn | Stony Creek | Yes | 39.740400 | -122.076400 | Certain | Giant reed (Arundo donax) | |
| Glenn | Stony Gorge Reservoir | No | 39.547800 | -122.516700 | Certain | willows (Salix spp.) | |
| Sonoma | Stony Point Road | Yes | 38.326400 | -122.734500 | Uncertain | Himalayan blackberry (Rubus armeniacus) | |
| Colusa | Stonyford | Yes | 39.375000 | -122.544500 | Uncertain | bull thistle (Cirsium vulgare) | |
| Tuolumne | Summers Pond | Yes | 38.006200 | -120.327200 | Certain | cattails (Typha spp.) | willows (Salix spp.) |
| Alameda | Sunol | Yes | 37.569300 | -121.871600 | Certain | cattails (Typha spp.) | |
| Alameda | Sunol #2 | Yes | Certain | cattails (Typha spp.) | |||
| Fresno | Sutter Avenue | No | 36.091500 | -120.212100 | Certain | ||
| Sutter | Sutter Butte Outing Club | Yes | Certain | cattails (Typha spp.) | |||
| Colusa | Sutter Buttes | Yes | 39.208315 | -121.916485 | Uncertain | cattails (Typha spp.) | |
| Sutter | Sutter Bypass at Gilsizer Slough | Yes | 38.999200 | -121.716200 | Uncertain | bulrush or tule (Schoenoplectus spp.) | cattails (Typha spp.) |
| Sutter | Sutter Causeway | Yes | 38.976000 | -121.673000 | Uncertain | cattails (Typha spp.) | |
| Sutter | Sutter NWR | No | 39.073600 | -121.758600 | Certain | ||
| Riverside | Sycamore Canyon | Yes | 33.942500 | -117.322500 | Certain | milk thistle (Silybum marianum) | |
| Stanislaus | Sylvan Avenue at Esta Avenue | No | 37.689500 | -120.931600 | Certain | other (note in Comments) | |
| Yuba | Tanabe Road | No | 39.266300 | -121.527300 | Certain | ||
| Sacramento | Tavernor Road at Apricot Lane | Yes | 38.434500 | -121.191900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Sacramento | Tavernor Road Pond | No | 38.430850 | -121.194900 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| Kern | Tehachapi #1 - El Camino | No | 35.212898 | -118.681000 | Certain | other (note in Comments) | |
| Kern | Tehachapi #10 - West Ranch | No | 35.073200 | -118.418999 | Certain | other (note in Comments) | |
| Kern | Tehachapi #11 - Lake Jean | No | 35.125401 | -118.417000 | Certain | other (note in Comments) | |
| Kern | Tehachapi #13 - Meadowbrook Spring | No | 35.138599 | -118.477997 | Certain | other (note in Comments) | |
| Kern | Tehachapi #14 - Sewer Ponds | No | 35.136600 | -118.459999 | Certain | other (note in Comments) | |
| Kern | Tehachapi #2 - Cub Lake | No | 35.161400 | -118.644997 | Certain | other (note in Comments) | |
| Kern | Tehachapi #3 - Four Island Lake | No | 35.160702 | -118.649002 | Certain | other (note in Comments) | |
| Kern | Tehachapi #4 - Jacks Hole | No | 35.163601 | -118.657997 | Certain | other (note in Comments) | |
| Kern | Tehachapi #5 - Equestrian Center | No | 34.164200 | -118.609001 | Certain | other (note in Comments) | |
| Kern | Tehachapi #6 - CCI | No | 35.119202 | -118.584999 | Certain | other (note in Comments) | |
| Kern | Tehachapi #7 - Horse Thief | No | 35.087799 | -118.642998 | Certain | other (note in Comments) | |
| Kern | Tehachapi #8 - Brite Lake | No | 35.104198 | -118.545998 | Certain | other (note in Comments) |
