waterthrush means either of two New World warblers, Parkesia motacilla (the Louisiana waterthrush) and Parkesia noveboracensis (the Northern waterthrush). Lexicurio rates it Sui generis — a strength score of 97 out of 100.
Etymology
From water + thrush.
noun
- Either of two New World warblers, Parkesia motacilla (the Louisiana waterthrush) and Parkesia noveboracensis (the Northern waterthrush).