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 |
|---|---|---|---|---|---|---|---|
| San Benito | Paicines Reservoir | No | 36.720100 | -121.279500 | Certain | ||
| Los Angeles | Cerritos Regional Park | No | 33.850090 | -118.059780 | Certain | ||
| Sacramento | Angle Road | No | 38.310600 | -121.212800 | Certain | cattails (Typha spp.) | |
| San Benito | Cienega Road | No | 36.714300 | -121.277900 | Certain | mustard (Brassica spp.) | |
| Merced | Highway 152 at Highway 33 | No | 37.055950 | -121.034010 | Certain | ||
| Sacramento | Pear Road Hatchery | No | 38.431300 | -121.188300 | Certain | Himalayan blackberry (Rubus armeniacus) | cattails (Typha spp.) |
| San Diego | Rangeland Road | No | 33.042558 | -116.944914 | Certain | mallow (Malva sp.) | |
| San Luis Obispo | Bitterwater Road | No | 35.564500 | -120.116300 | Certain | ||
| San Benito | Panoche Road at Oliver Road | No | 36.608790 | -120.914590 | Certain | ||
| Sacramento | Amador Avenue | No | 38.283130 | -121.267570 | Certain | other (note in Comments) | |
| Yuba | Loma Rica Road | No | 39.270300 | -121.486200 | Certain | other (note in Comments) | |
| Merced | Rockshar Dairy | No | 37.185245 | -120.433030 | Certain | willows (Salix spp.) | stinging nettle (Urtica dioica) |
| Yuba | Erle Road at Bradshaw Road | No | 39.100270 | -121.458670 | Certain | ||
| San Benito | Union Road | No | 36.840100 | -121.457000 | Certain | ||
| Butte | North Table Mountain WA | No | 39.606570 | -121.542480 | Certain | other (note in Comments) | |
| Butte | Cottonwood Road #2 | No | 39.553520 | -121.618300 | Certain | other (note in Comments) | |
| Merced | Henry Miller Road | No | 37.106320 | -120.789380 | Certain | other (note in Comments) | |
| Placer | Gladding Road | No | 38.981700 | -121.293200 | Certain | ||
| San Diego | Dye Road #1 | No | Certain | ||||
| Sacramento | East of Sunrise | No | 38.503000 | -121.244000 | Certain | other (note in Comments) | |
| Siskiyou | Lower Klamath NWR-Unit 11B/11C | No | 41.926720 | -121.677940 | Certain | stinging nettle (Urtica dioica) | |
| San Joaquin | Coyote Creek at Elliot Road | No | 38.242290 | -121.172000 | Certain | ||
| Merced | Flying M Dam | No | 37.377000 | -120.275500 | Certain | other (note in Comments) | |
| Sacramento | Sheldon Road at Waterman Road #1 | No | 38.437800 | -121.349600 | Certain | Himalayan blackberry (Rubus armeniacus) | |
| San Benito | Lonoak Road #2 | No | 36.289060 | -120.986010 | Certain | ||
| Kern | Paine Preserve | No | 35.666700 | -119.571400 | Certain | cattails (Typha spp.) | |
| Kern | Tehachapi #4 - Jacks Hole | No | 35.163601 | -118.657997 | Certain | other (note in Comments) | |
| Merced | Butts Road | No | 37.157500 | -121.067400 | Certain | ||
| Sacramento | Small Dairy on Arno Road near McKenzie Road | No | 38.320200 | -121.314000 | Certain | other (note in Comments) | |
| Santa Clara | Highway 130 | No | 37.369730 | -121.488470 | Certain | ||
| Kings | Lemoore NAS | No | 36.332380 | -119.936500 | Certain | other (note in Comments) | |
| Monterey | Lonoak Road #1 | No | 36.244900 | -121.027500 | Certain | other (note in Comments) | |
| San Joaquin | Clements Road at Comstock Road | No | 38.045580 | -121.078000 | Certain | ||
| Tehama | Black Butte Road | No | 39.917880 | -122.279160 | Certain | ||
| Santa Barbara | Mescalitan Island | No | 34.423000 | -119.831000 | Certain | other (note in Comments) | |
| Yuba | Beale AFB-Doolittle Drive | No | 39.137500 | -121.402400 | Certain | cattails (Typha spp.) | willows (Salix spp.) |
| Butte | 7 Mile Lane at Nelson Road | No | 39.547100 | -121.910600 | Certain | ||
| Yuba | Upper Blackwelder Lake | No | 39.142376 | -121.381459 | Certain | bulrush or tule (Schoenoplectus spp.) | willows (Salix spp.) |
| Kern | Red Lake Cattle Pond | No | 34.937289 | -119.426563 | Certain | cattails (Typha spp.) | |
| Stanislaus | Sonora Road #2 | No | 37.873320 | -120.802600 | Certain | other (note in Comments) | |
| Los Angeles | Munz Lake | No | 34.672700 | -118.432600 | Certain | ||
| Tulare | Sierra Dairy | No | 0.000000 | 0.000000 | Certain | bull thistle (Cirsium vulgare) | |
| Colusa | Sacramento NWR-Pool 11.3 | No | 39.372800 | -122.152450 | Certain | cattails (Typha spp.) | |
| Kings | Kings Canal | No | 36.374100 | -119.887300 | Certain | ||
| Tulare | Homeland Canal and Avenue 120 | No | 36.007486 | -119.469237 | Certain | ||
| Merced | Merced NWR: Dead Man Slough | No | 37.199900 | -120.616600 | Certain | ||
| Sacramento | Kiefer Boulevard at Grant Line Road | No | 38.519310 | -121.200030 | Certain | other (note in Comments) | |
| Stanislaus | 28 Mile Road | No | 37.860820 | -120.828720 | Certain | other (note in Comments) | |
| Butte | Wilbur Road | No | 39.473400 | -121.650200 | Certain | other (note in Comments) | |
| Riverside | San Jacinto WA: Davis Road | No | 33.866120 | -117.121980 | Certain | cattails (Typha spp.) |
