Complex sentence: Its plumage is'molted' of black with white speckles, which is close feathered.Realating to it's color, its dark plumage makes it harder for predators to see, and ofter has a green, or purple tint.
Split into simpler sentences: Its plumage is'molted' of black with white speckles, which is close feathered. It's dark plumage makes it harder for predators to see, and often has a green or purple tint.