[thesligoduffyflynns]

you must know your snakes well!

ok, heres my question obviously, theres mmore than one snake in this group, but what is it that classifies them as “ pit”? ,
ive never heard of that & would like to expand my knowledge bank🙋

[Olog-hai]

Well, pit vipers have little heat-sensing “pits” on either side of their face; on this rattlesnake, the pit is visible on the lower part of the face between the eye and the nostril. The snake uses them to detect body heat from prey or possible threats.