A natural history of birds :.
London :Printed for the author and sold by William Innys in St. Paul's Church yard, John Clarke under the Royal-Exchange, Cornhill, and John Brindley at the King's Arms in New Bond-Street,MDCCXXXI-MDCCXXXVIII [1731-1738]..
biodiversitylibrary.org/page/41130519
Description: English: A male common goldeneye (Bucephala clangula) performing courtship ritual dance near Sonnisaari island in Oulu. Suomi: Telkkä uros (Bucephala clangula) esittää soidintanssiaan Sonnisaaren lähellä Oulussa. Date: Taken on 8 May 2011. Source: Own work. Author: Estormiz. Permission(Reusing this file): I, the author of this work, will publish this photograph into Public Domain for anybody to use it in any way. Camera location65° 00′ 38.92″ N, 25° 27′ 09.89″ EView all coordinates using: OpenStreetMap 65.010811; 25.452747.