Deadliest Pit Viper Snakes in Thailand - Color Variations

These are all the same species of deadly snake, the Malayan Pit Viper (Calloselasma rhodostoma). The remarkable thing is that their coloration is different for each snake. Have a look. Some are reddish, others brown, and others are grey. These snakes are notorious in Thailand where they lay in grass or out in the middle of dirt or concrete paths or roads. They don’t move when they sense someone coming, preferring just to stay right where they are and get stepped on. This happens a lot. Their venom is cyt