L 46-54 cm. Breeds in E Asia. Has been encountered in a great many European countries, e.g. Britain, France, Spain, Netherlands, Belgium, Germany, Denmark, Sweden and Finland. Records as a rule thought to involve escapes; species is common in bird collections. - Male unmistakable, with all-green head with gently sloping forehead and full nape. Female can recall a small, broad-winged Pintail, has narrow, dark bill and vermiculated head-side. In flight, shows dark speculum.