Willet
Tringa semipalmata
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderCharadriiformes (Shorebirds and Allies)
- FamilyScolopacidae (Sandpipers and Allies)
- GenusTringa (Shanks, Tattlers, and Allies)
- SpeciesTringa semipalmata (Willet)
About the Willet
The willet (Tringa semipalmata) is a large shorebird in the family Scolopacidae. It is a relatively large and robust sandpiper and is the largest of the species called "shanks" in the genus Tringa. Its closest relative is the lesser yellowlegs, a much smaller bird with a very different appearance apart from the fine, clear, and dense pattern of the neck, which both species show in breeding plumage. It breeds in North America and the West Indies and winters in southern North America, Central America, the West Indies and South America.
The willet was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it in the genus Scolopax and coined the binomial name Scolopax semipalmata. Gmelin based his description on the "semipalmated snipe" from New York that had been described in 1785 by both the English ornithologist John Latham and by the Welsh naturalist Thomas Pennant. The willet was formerly assigned to the genus Catoptrophorus that had been introduced for the species in 1827 by Charles Lucien Bonaparte. In 2006 it was moved to the current genus Tringa based on a molecular... Wikipedia →
Closest Relatives at Saguaro National Park
Greater Yellowlegs
Tringa melanoleuca
Solitary Sandpiper
Tringa solitaria
Lesser Yellowlegs
Tringa flavipes
Spotted Sandpiper
Actitis macularius
Wilson's Snipe
Gallinago delicata
Least Sandpiper
Calidris minutilla
Hudsonian Whimbrel
Numenius hudsonicus
Long-billed Dowitcher
Limnodromus scolopaceus
Western Sandpiper
Calidris mauri
Baird's Sandpiper
Calidris bairdii
Wilson's Phalarope
Phalaropus tricolor
Pectoral Sandpiper
Calidris melanotos
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 Saguaro National Park?
Under 5% of wildlife watchers report a Willet sighting in Saguaro National Park, based on 40 verified sightings from GBIF citizen-science data.
When is the best time to see Willet in Saguaro National Park?
April has the highest sighting rate for Willet in Saguaro National Park in our monthly data.