Willet
Tringa semipalmata
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusTringa (Shanks, Tattlers, and Allies)
- SpeciesTringa semipalmata (Willet)
Closest Relatives at Sian Ka'an Biosphere Reserve
Solitary Sandpiper
Tringa solitaria
Greater Yellowlegs
Tringa melanoleuca
Lesser Yellowlegs
Tringa flavipes
Spotted Sandpiper
Actitis macularius
Ruddy Turnstone
Arenaria interpres
Least Sandpiper
Calidris minutilla
Sanderling
Calidris alba
Western Sandpiper
Calidris mauri
Semipalmated Sandpiper
Calidris pusilla
Short-billed Dowitcher
Limnodromus griseus
White-rumped Sandpiper
Calidris fuscicollis
Whimbrel
Numenius phaeopus
📅 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 Willet in Sian Ka'an Biosphere Reserve?
About 1% of visitor-days record a Willet sighting in Sian Ka'an Biosphere Reserve, based on 28 observer-days of citizen-science data from GBIF.
When is the best time to see Willet in Sian Ka'an Biosphere Reserve?
September has the highest sighting rate for Willet in Sian Ka'an Biosphere Reserve in our monthly data.