Their similar appearances have led to taxonomic problems; the water pipit and the buff-bellied pipit were considered subspecies of the Eurasian rock pipit until they were separated by the British Ornithologists' Union in 1998.
Penampilan mereka yang mirip telah menyebabkan masalah taksonomi; pipit air dan pipit amerika dianggap subspesies dari pipit batu eurasia sampai mereka dipisahkan oleh British Ornithologists's Union pada tahun 1998.