Clapper Rail (Rallus longirostris)

Ridgway's Rails on San Francisco Bay

May 20, 2022 Once abundant around San Francisco Bay, the Ridgway’s Rail — formerly known as the California Clapper Rail — is now endangered. In the 19th Century, unregulated hunting plundered the species. In the 20th Century, rampant development reduced salt marsh habitat by 85%. But in the 21st