Before revision: In animals Positions of the pit organs (arrowed in red) on a python, relative to its nostril (black arrow) A particularly specialized form of thermoception is used by Crotalinae (pit viper) and Boidae (boa) snakes, which can effectively see the infrared radiation emitted by hot objects.E.
After revision: In snakesIn animals Positions of the pit organs (arrowed in red) on a python, relative to its nostril (black arrow) A particularly specialized form of thermoception is used by Crotalinae (pit viper) and Boidae (boa) snakes, which can effectively see the infrared radiation emitted by hot objects.E.