Mapping of the variation in the mantle of individuals of the Aramides cajaneus complex in Central America. Yellow: the upper back has no distinct coloration in relation to the mid and lower back. Red: a faint brownish coloration is present in the sides of the upper back. Blue: a faint brownish tinge is present across the upper back. Green: a complete, conspicuous brownish-orange mantle is present. Notice the lack of any discernable pattern in variation (see text for details).