Western Sandpiper
Calidris mauri
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusCalidris (Calidris Sandpipers)
- SpeciesCalidris mauri (Western Sandpiper)
Closest Relatives at Paracas National Reserve
Sanderling
Calidris alba
Semipalmated Sandpiper
Calidris pusilla
Least Sandpiper
Calidris minutilla
Aphriza virgata
Calidris virgata
Red Knot
Calidris canutus
Baird's Sandpiper
Calidris bairdii
Pectoral Sandpiper
Calidris melanotos
Stilt Sandpiper
Calidris himantopus
Whimbrel
Numenius hudsonicus
Whimbrel
Numenius phaeopus
Ruddy Turnstone
Arenaria interpres
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 Western Sandpiper in Paracas National Reserve?
About 18% of visitor-days record a Western Sandpiper sighting in Paracas National Reserve, based on 85 observer-days of citizen-science data from GBIF.
When is the best time to see Western Sandpiper in Paracas National Reserve?
June has the highest sighting rate for Western Sandpiper in Paracas National Reserve in our monthly data.