Western Sandpiper
Calidris mauri
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusCalidris (Calidris Sandpipers)
- SpeciesCalidris mauri (Western Sandpiper)
The western sandpiper (Calidris mauri) is a small migratory shorebird. The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific mauri commemorates Italian botanist Ernesto Mauri (1791–1836). This is one of the most abundant shorebird species in North America, with a population in the millions. Within the genus Calidris the western sandpiper is most closely related to the semipalmated sandpiper (Calidris pusilla). Wikipedia →
Closest Relatives at Kenai Fjords National Park
Least Sandpiper
Calidris minutilla
Surfbird
Calidris virgata
Red-necked Phalarope
Phalaropus lobatus
Hudsonian Whimbrel
Numenius hudsonicus
Solitary Sandpiper
Tringa solitaria
Wilson's Snipe
Gallinago delicata
Spotted Sandpiper
Actitis macularius
Wandering Tattler
Tringa incana
Red Phalarope
Phalaropus fulicarius
Greater Yellowlegs
Tringa melanoleuca
Black Turnstone
Arenaria melanocephala
Whimbrel
Numenius phaeopus
📅 Monthly Probability
Fewer than 5 records of Western Sandpiper at Kenai Fjords National Park — not enough to chart months honestly.
☀️ 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