Mussurana bicolorMussurana bicolor, the two-colored mussurana, is a species of snake in the family Colubridae. The species is native to southern South America.DescriptionM. bicolor may attain a maximum total length of. Adults are gray or brown dorsally, and ivory ventrally. Juveniles are brick red dorsally, with a black vertebral stripe.Distribution and habitatM. bicolor is found in Argentina, southern Brazil, Paraguay, and Peru. The preferred natural habitats are grassland, savanna, and forest.Ecology and behaviourM. bicolor is oviparous.