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CA Clapper Rail.jpg
The endangered Clapper Rail looks for food along the edge of San Francisco Bay. The population levels of the California Clapper Rail are precariously low due to destruction of its coastal habitat by prior land development and shoreline fill.
  • Clapper Rail
  • San Francisco Bay
  • Estuary
  • bird
  • endangered species
  • mud flat
  • birds of San Francisco Bay
  • Rallus longirostris obsoletus