bluebill

== English == === Etymology === From blue +‎ bill. === Pronunciation === (General American) IPA(key): /ˈbluˌbɪl/ === Noun === bluebill (plural bluebills) Any of the genus Aythya of scaups. Any of the genus Spermophaga of estrildid finches found in tropical Africa. ==== Hyponyms ==== (scaup): greater scaup, lesser scaup ==== Translations ==== === See also === Argentine blue-bill