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USGS aerial imagery of Bird Island | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37°33′04″N 122°14′13″W / 37.55111°N 122.23694°W[1] |
| Adjacent to | San Francisco Bay |
| Highest elevation | 7 ft (2.1 m)[1] |
| Administration | |
United States | |
| State | |
| County | San Mateo |

Bird Island is an island in San Francisco Bay. It is in San Mateo County, California.[2][3][4][5][6][7][8] Its coordinates are 37°33′04″N 122°14′13″W / 37.55111°N 122.23694°W[1], and the United States Geological Survey gave its elevation as 7 ft (2.1 m) in 1998.[1] It appears on a 2012 USGS map of the area.[9]