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 El Vizcaíno Biosphere Reserve
Least Sandpiper
Calidris minutilla
Dunlin
Calidris alpina
Sanderling
Calidris alba
Red Knot
Calidris canutus
Stilt Sandpiper
Calidris himantopus
Pectoral Sandpiper
Calidris melanotos
Baird's Sandpiper
Calidris bairdii
Aphriza virgata
Calidris virgata
Willet
Tringa semipalmata
Marbled Godwit
Limosa fedoa
Long-billed Curlew
Numenius americanus
Greater Yellowlegs
Tringa melanoleuca
📅 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 El Vizcaíno Biosphere Reserve?
About 32% of visitor-days record a Western Sandpiper sighting in El Vizcaíno Biosphere Reserve, based on 271 observer-days of citizen-science data from GBIF.
When is the best time to see Western Sandpiper in El Vizcaíno Biosphere Reserve?
August has the highest sighting rate for Western Sandpiper in El Vizcaíno Biosphere Reserve in our monthly data.