so that the pair work stereoscopically in the same way that eyes do. Heat and visual data are sent, via the optic nerve, to the pit-viper's brain, where the two types of data are transposed into ...

Its “mesh”-patterned eyes scanned the mountainous landscape ... or the Guanyinshan mountain pit viper. Guanyinshan mountain pit vipers have “slender” bodies, reaching over 2 feet ...

Its “mesh”-patterned eyes scanned the mountainous landscape ... or the Guanyinshan mountain pit viper. An Ovophis zhaoermii, or Guanyinshan mountain pit viper. Photo from Liu, Hou, Mo ...