In the mountains of eastern Iraq, a hunter stumbled upon a black-tongued predator. Instead of killing the dangerous animal, ...

This lets the heat sensitive snakes essentially produce thermal images of nearby animals. Since many pit vipers go hunting after dark for rodents, birds and other creatures warmer than themselves ...

Researchers only caught one snake and tracked down three ... or Vang Vieng lance-headed pit vipers, as seen in their natural habitat. Photos from J. Wohlschiess and P.L. Stenger via Grassby ...

The snakes are predators, likely feeding “on frogs in the wild.” Two more Ovophis zhaoermii, or Guanyinshan mountain pit vipers. Photos from Liu, Hou, Mo, Li, Li, Luo, Rao and Li (2025 ...