distinct iridescent purple-blue speculum feathers edged with white on female mallard or wild duck (anas platyrhynchos

anas platyrhynchos animal bird glossy wildlife adult birdwatching closeup colorful contrast dabbing duck detail detailed distinct environment fauna feathers female green iridescent lake mallard mottled nature ornithology outdoors parks plumage portrait purpleblue river shiny speculum sunlight vibrant white wild close-up purple-blue edged bright