description Bothin Marsh Overview
Bothin Marsh is a 106-acre tidal wetland and preserve on the Richardson Bay shoreline in southern Marin County, California. Marin County describes it as a remnant of the salt marshes that once surrounded San Francisco Bay, and reports that it supports more than 400 species of migratory birds, along with the endangered salt marsh harvest mouse and Ridgway's rail. The preserve is used for wildlife observation and shoreline recreation.
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