Bird · GBIF taxon 6176618
California Ridgway's Rail
Rallus longirostris obsoletusAlso known as California Clapper Rail
The California Ridgway's Rail is a chicken-sized tidal-marsh bird with a long slightly curved bill, barred flanks, and rusty breast. It usually walks or swims through dense vegetation, revealing itself more often by a harsh clattering call than by flight.
Tidal Marsh BirdSecretive RailProtected Subspecies

Licensed referenceBecky Matsubara from El Sobrante, California / CC BY 2.0 · cc-by
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Crabs
- Clams
- Snails
Predators
- Red foxes
- Raptors
- Large snakes
ThreatsWetland loss, sea-level rise, invasive predators, flooding, pollution, and human disturbance
HabitatsBrackish and saline tidal marshes with channels, mudflats, and dense emergent cover
Life spanUsually several years; precise maximum longevity remains poorly documented
Size / weightNot available
Classification
- FamilyRallidae
- SpeciesRallus longirostris obsoletus
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Remain on designated routes and conceal precise sightings of this protected marsh bird.
- What to notice
- Look for a large rail with a long bill, rusty breast, barred flanks, and secretive walking behavior.
- Support conservation
- Never enter cover to flush a bird; stay on designated paths and withhold exact locations from public posts.
Responsible observation
- Listen: Pause for loud clattering calls emerging from dense marsh cover.
- Distance: Use binoculars from levees or boardwalks without entering vegetation.
- Privacy: Remove exact coordinates from public observation records.
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