What specialized heat-sensing organs are present in members of the Family Viperidae, such as *Crotalus atrox*?

Answer

Loreal pits

Membership in the Family Viperidae signifies the presence of specialized venom delivery systems and loreal pits, which are heat-sensing organs located between the eye and the nostril.

What specialized heat-sensing organs are present in members of the Family Viperidae, such as *Crotalus atrox*?
taxonomyanimalreptilesnake