Dunlin
Calidris alpina
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusCalidris (Calidris Sandpipers)
- SpeciesCalidris alpina (Dunlin)
Closest Relatives at Redwood National Park
Least Sandpiper
Calidris minutilla
Western Sandpiper
Calidris mauri
Sanderling
Calidris alba
Rock Sandpiper
Calidris ptilocnemis
Baird's Sandpiper
Calidris bairdii
Pectoral Sandpiper
Calidris melanotos
Red Knot
Calidris canutus
Aphriza virgata
Calidris virgata
Semipalmated Sandpiper
Calidris pusilla
Tryngites subruficollis
Calidris subruficollis
Whimbrel
Numenius hudsonicus
Spotted Sandpiper
Actitis macularius
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Dunlin in Redwood National Park?
About 3% of visitor-days record a Dunlin sighting in Redwood National Park, based on 57 observer-days of citizen-science data from GBIF.
When is the best time to see Dunlin in Redwood National Park?
November has the highest sighting rate for Dunlin in Redwood National Park in our monthly data.