(syn. Anas Ϯ Chestnut-breasted Teal A. castanea) L. virago, viraginis heroine, female warrior < virgo, virginis maiden; "Anas castanea (Eyton) ... I am much averse to inventing new groups; but I think it very possible that this species, being thus shown to differ so singularly from any Duck with which we are acquainted, will be made the type of a new genus or subgenus; and as some enthusiast may wish when conferring a name on a section so established to celebrate that of some notable person of the gentler sex who is gifted with masculine attributes, I think it as well to anticipate such a proceeding, and therefore suggest that if a new division be found expedient it should bear the appellation of Virago Ϯ, as a tribute to the virile characteristic of the ladies in question and of the female of this species of Duck. ... Ϯ Virago e genere Anatino cujus fœmina eadem quæ mas organa vocis habet." (A. Newton 1872).