Which characteristic on the body provided a dramatic visual contrast against the glossy black plumage?
Answer
Large, conspicuous white patches on the wings
The glossy black body plumage was dramatically contrasted by large, conspicuous white patches on the wings, which observers sometimes described as a white mantle or saddle.

Related Questions
What was the general length range cited for the Ivory-billed Woodpecker?What feature gave the *Campephilus principalis* its common name?How did the feeding strategy of the Ivory-billed Woodpecker differ significantly from smaller woodpeckers?What distinguished the crest of the male Ivory-billed Woodpecker?What was the primary, specialized diet of the Ivory-billed Woodpecker?What color was the crest possessed by the female Ivory-billed Woodpecker?How was the bird's characteristic vocalization often transcribed?Which characteristic on the body provided a dramatic visual contrast against the glossy black plumage?What requirement linked the survival of the Ivory-billed Woodpecker closely to the devastating effects of logging?What official action did the U.S. Fish and Wildlife Service propose in 2021 concerning the bird's status?