"Asian pit vipers from the genus ... In the south, the mangrove viper (Trimeresurus purpureomaculatus) appears in a range of colors, including yellow, brown, and black, but never green.

Now, these “ambushing” animals have been identified as a new species of snake: the red-barred green pit viper. Researchers ... eyes with “bright golden yellow” irises, according to the ...

Pit vipers, along with several of their snake cousins, marry two senses to better locate prey at night: sight and a heat-detecting ability. Deep pits, which lie on each side of the snake's face ...