Bird Rock (Marin County, California)
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 Bird Rock as of 2009[update] | |
  Bird Rock  Bird Rock | |
| Geography | |
|---|---|
| Coordinates | 38°13′48″N 122°59′40″W / 38.23000°N 122.99444°W[1] |
| Total islands | 1 |
| Administration | |
| State | California |
| County | Marin County, California |
Bird Rock is a rock formation and a small Pacific island west of Tomales Point in Marin County, California that is roughly 2 acres (0.8 ha).
A seabird colony, the island is covered with a layer of guano. Cormorants are common on the island,[3] and ashy storm-petrels were found breeding there in 1972.[4]
