Rosy-billed pochard winter, reaching Brazil and southern Bolivia. It is a vagrant to the Falkland Islands. Rosy-billed pochard The rosy-billed pochard, alternatively named rosybill or rosybill pochard ("Netta peposaca"), is a duck with a distinctive red bill on males and a slate-colored bill on females. Though classified as a diving duck, this pochard feeds more like a dabbling duck. The species name "peposaca" is derived from a Guaraní word for "showy wings", referring to the broad white stripe that is only visible with stretched out wings. The rosy-billed pochard is endemic to South America. It is found in Argentina, central Chile, Paraguay,
What Bird is That? all-time best seller in Australian natural history and is still in print today. While sales and stature of Cayley’s original collection continued to grow, the prolific artist and ornothologist Cayley was working on a much more ambitious project – his so-called “big bird book”. From about 1918, he was creating illustrations of subspecies, plumage stages and eggs (now lost) of all known Australian birds. The project was incomplete at the time of his death in 1950, although the illustrations were all but finished. The ornithologist Terence Lindsey revived Cayley’s plans in the 1980s, creating the last and most significant revision