Semipalmated Sandpiper
Calidris pusilla
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusCalidris (Calidris Sandpipers)
- SpeciesCalidris pusilla (Semipalmated Sandpiper)
Closest Relatives at Yellowstone National Park
Baird's Sandpiper
Calidris bairdii
Least Sandpiper
Calidris minutilla
Western Sandpiper
Calidris mauri
Sanderling
Calidris alba
Spotted Sandpiper
Actitis macularius
Wilson's Snipe
Gallinago delicata
Wilson's Phalarope
Phalaropus tricolor
Greater Yellowlegs
Tringa melanoleuca
Solitary Sandpiper
Tringa solitaria
Long-billed Dowitcher
Limnodromus scolopaceus
Willet
Tringa semipalmata
Lesser Yellowlegs
Tringa flavipes
📅 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 Semipalmated Sandpiper in Yellowstone National Park?
About 0% of visitor-days record a Semipalmated Sandpiper sighting in Yellowstone National Park, based on 7 observer-days of citizen-science data from GBIF.
When is the best time to see Semipalmated Sandpiper in Yellowstone National Park?
August has the highest sighting rate for Semipalmated Sandpiper in Yellowstone National Park in our monthly data.