They took a closer look at the snakes and quickly realized they’d discovered a new species: Ovophis zhaoermii, or the Guanyinshan mountain pit viper. An Ovophis zhaoermii, or Guanyinshan ...

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 ...