South American Rattlesnake - Photo: Susan Schmitz/Shutterstock. Field Herp Forum - Take a look at all of the amazing reptiles and amphibians that a member photographed during a four-month trek through Central America… Their territory covers much of Central America and portions of South America including Brazil. Let’s check out The Most Dangerous Venomous Snakes: Central and South America . Coral snakes are perhaps the easiest to recognize as they're typically an arrangement of black, red, yellow, or white. The color of this snake is light brown to pink with areas defined with black or dark brown markings following the full length of its body. Central America as defined by the WGSRPD This category is for articles about snakes native to Central America . The six most important venomous snakes in Central and South America at a glance! For the purposes of this category, Central America comprises Belize , Costa Rica , El Salvador , Guatemala , Honduras , Nicaragua , Panama and the Central American Pacific Islands . Lanceheads and rattlesnakes are some of the most venomous snakes in these regions. The Central American coral snake (Micrurus nigrocinctus) is a venomous elapid snake with smooth scales, a round head, and black pupils. These snakes are nocturnal and typically found in dark, wet areas in the rainforest. Bushmasters are found in remote tropical rainforests of Central America. Central American Adventure.