Bird · GBIF taxon 2481764
Semipalmated Sandpiper
Calidris pusillaSemipalmated Sandpipers are tiny gray-brown shorebirds with short dark bills and partially webbed toes. Migrating flocks feed rapidly across mudflats, where subtle shape and bill proportions help separate them from similar small sandpipers.
shorebirdmudflatlong-distance migrant
—observations
—countries
—peak records
Near ThreatenedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNear ThreatenedRed List categories, explained →
Diet & prey
- small crustaceans
- marine worms
- midge larvae
Predators
- falcons
- gulls
- Arctic foxes
ThreatsLoss of tidal feeding areas, coastal disturbance, pollution, and changing Arctic conditions
HabitatsArctic tundra for nesting and coastal mudflats, beaches, and marsh edges during migration
Life spanOften several years, with banded individuals recorded beyond ten years
Size / weightNot available
Classification
- FamilyScolopacidae
- SpeciesCalidris pusilla
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Keep well back from feeding flocks so they can replenish energy.
Responsible observation
- Compare: Judge bill length and body shape among nearby small sandpipers.
- Watch: Remain stationary and let feeding flocks move naturally across the flat.
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