20 Ducks with Blue Feathers (with Pictures & ID Guides)
We often admire ducks for their greens, browns, and white feathers, but some species also flaunt stunning blue plumage. Contrary to popular belief, this blue isn’t caused by pigment but by tiny feather structures that reflect light, creating a shimmering, iridescent effect. In some ducks, the blue shows up on the wings as a bright…