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A peacock’s large train looks like it would be a real drag! To get such a burden airborne must surely take a lot of extra energy and slow a bird down, perhaps delaying its escape from a predator. But does it really? New research— “The elaborate plumage in peacocks is not such a drag,” published in the Journal of Experimental Biology—says “No!”You can see what the flap is about by reading the rest of the article at "Peacock Tail Feathers Don’t Drag Them Down".