Approximately 65% of North American venomous snakebites are caused by rattlesnakes. The deadly ... [+] timber rattlesnake, native to the eastern United States, is shown here. Pit vipers produce a ...

Copperhead snakes, commonly encountered venomous snakes in North America ... Copperheads are pit vipers with heat-sensitive ...

The species of pit viper are found in both northern and southern parts of Burma. In the north, the red-tailed viper (Trimeresurus erythrurus) is identifiable by its green body adorned with various ...