Fulvous Whistling-Duck (Dendrocygna bicolor) – A Detailed Study The Fulvous Whistling-Duck (Dendrocygna bicolor) is one of the most widely distributed whistling-duck species in the world, remarkable for its warm fulvous plumage, elongated neck, and distinctive whistling calls. Unlike many other ducks that are bound to temperate wetlands and short seasonal movements, this species demonstrates extraordinary […]