Redhead (bird) Redhead (bird) The redhead ("Aythya americana") is a medium-sized diving duck. The scientific name is derived from Greek "aithuia" an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin "americana", of America. The redhead is long with an wingspan. It belongs to the genus Aythya, together with 11 other described species. The redhead and the common pochard form a sister group which together is sister to the canvasback. The redhead goes by many names, including the red-headed duck and the red-headed pochard. This waterfowl is easily distinguished from other ducks by the male’s copper coloured head and bright
What Bird is That? of "What Bird is That?" It was published in 1984 and incorporated all of Cayley’s paintings created over many years for his vision of releasing a “big bird book” and included a revised taxonomy. In the 53 years since its first edition, more than a hundred new bird species had been identified in Australia. Scientific names had been changed and groups of birds had been reordered. Lindsey brought "What Bird is That?" up-to-date with the latest birding conventions of the time, as well as contributing a valuable supplementary list of birds and a scholarly catalogue of Cayley’s paintings. The "Signature