Cottonmouth
Range
Statewide; uncommon in upland streams of Ozark Highlands and Ouachita mountains.
Description
Pit viper, keeled scales. Heavy-bodied, dark olive-brown to black. Indistinct dark crossbands, except when animal is wet. White upper lip, black stripe from snout onto neck. Belly mottled with black-, brown- and cream-colored blotches. Young are brightly banded like copperhead, turning darker with age; tail tip yellow or greenish yellow. Adults average 24-36 inches in length.
Habitat and Habits
Occurs in variety of wetland habitats: swamps, oxbow lakes, sloughs, drainage ditches and streams. Active April-November; active at night in hot weather. Two to 15 young born August-September. Eats fish, amphibians, lizards, snakes, birds and rodents. Opens mouth - exposing white lining - when threatened.