Dafila acuta; Print; The pintail or northern pintail (Anas acuta) is a duck with wide geographic distribution that breeds in the northern areas of Europe; Asia and North America. It is migratory and winters south of its breeding range to the equator. Unusually for a bird with such a large range; it has no geographical subspecies if the possibly conspecific duck Eaton's pintail is considered to be a separate species.; 1700-1880