Tringa semipalmata
IOC Classification: Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Superclassis: Tetrapoda • Classis: Aves • Superordo: Neognathae • Ordo: Charadriiformes • Familia: Scolopacidae • Genus: Tringa • Species: Tringa semipalmata (Gmelin, 1789)

Wikispecies has an entry on:
- English: Willet
- čeština: Vodouš břehoušovitý
- Deutsch: Schlammtreter
- español: Playero Aliblanco
- français: Chevalier semipalmé
- 日本語: ハジロオオシギ
- Nederlands: Willet
Catoptrophorus semipalmatus