Tringa semipalmata
Silhouette: Andy Wilson · PhyloPic
In 3 days ~90% in a week >90%
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 →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Panama City | 🇵🇦 Panama | |
| 2 | San Diego | 🇺🇸 United States | |
| 3 | San Francisco | 🇺🇸 United States | |
| 4 | São Luís | 🇧🇷 Brazil | |
| 5 | Havana | 🇨🇺 Cuba | |
| 6 | Los Angeles | 🇺🇸 United States | |
| 7 | Tijuana | 🇲🇽 México | |
| 8 | Lima | 🇵🇪 Peru | |
| 9 | Boston | 🇺🇸 United States | |
| 10 | Miami | 🇺🇸 United States |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | National Zoological Park | 🇺🇸 United States | |
| 2 | Columbus Zoo and Aquarium | 🇺🇸 United States | |
| 3 | Aquarium of the Pacific | 🇺🇸 United States | |
| 4 | Monterey Bay Aquarium | 🇺🇸 United States |
Likely
About 60% of wildlife watchers report a Willet sighting in Ría Lagartos Biosphere Reserve on a given day, based on 712 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 10th most-seen of the 216 birds we can rate there. Over three days the chance rises to about 90%, and over a week to over 90%, if each day is a fresh chance.
January and October
In those months about 80% of wildlife watchers report a Willet in Ría Lagartos Biosphere Reserve on a given day, against about 40% in April, the lowest month.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Willet sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 42
Of the 42 parks where we can rate Willet sightings, Ría Lagartos Biosphere Reserve ranks 2nd at about 60%. The best odds are in Padre Island National Seashore (United States, about 90%). All parks ranked.
Same genus: Tringa
The closest relatives of the Willet that you can see in Ría Lagartos Biosphere Reserve (genus Tringa, Shanks, Tattlers, and Allies) are Greater Yellowlegs (about 20%) and Lesser Yellowlegs (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Willet is recorded against all the birds logged in Ría Lagartos Biosphere Reserve (712 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
