What is "waterthrush"

n. Either of two New World warblers, (taxlink Seiurus motacilla species noshow=1) (the Louisiana waterthrush) and (taxlink Seiurus noveboracensis species noshow=1) (the Northern waterthrush).

The waterthrushes are a genus of New World warbler, Parkesia. The genus was split from Seiurus, which previously contained both waterthrush species and the ovenbird. When the genera split, the ovenbird was the only member left in Seiurus (making it a monotypic genus).