[DOC] [TLE] Infrared sensing in snakes - Wikipedia [PAR] The ability to sense infrared thermal radiation evolved independently in several 
different families of snakes. Essentially, it allows these animals to "see" radiant 
heat at wavelengths between 5 and 30 m to a degree of accuracy such that a 
blind rattlesnake can target vulnerable body parts of the prey at which it strikes. ... 
Viperine snakes (which lack pit organs) also use thermal cues to guide strike... [DOC] [TLE] Free Flashcards about ZOOLOGY - StudyStack [PAR] Free flashcards to help memorize facts about ZOOLOGY. Other activities to ... 
WHILE IT DOESN'T BREATHE FIRE, THIS LARGEST LIZARD DOES KILL ITS 
PREY WITH ITS DEADLY SALIVA, KOMODO DRAGON ... A PIT VIPER'S PITS 
ARE HIGHLY SENSITIVE TO THIS AND HELP IT FIND ITS PREY IN THE DARK, 
HEAT. [DOC] [TLE] Sixth Senses | Answers in Genesis [PAR] Jan 1, 2013 ... These bonus senses help these creatures survive and thrive in their habitats. ... 
Bats rely on complex echolocation to maneuver in the dark. ... Otherwise, their 
highly sensitive ears would go deaf whenever they made their loud, ... Another 
possibility is that pit vipers used their pit organs to find warm resting... [DOC] [TLE] The Reptipage: Serpent senses [PAR] There will always be an exception to the rule and each snake has it's senses ... 
view of their surroundings due to their height, thus having the ability to see great 
... The two main groups of snakes have heat sensitive pits. ... The heat seeing 
ability of the pits allows pit vipers to hunt their prey in the complete darkness of a
... [DOC] [TLE] viper | snake | Britannica.com [PAR] They eat small animals and hunt by striking and envenomating their prey. ... Pit 
vipers are distinguished by a temperature-sensitive pit organ located on ... vision 
that helps the snake accurately aim its strike at warm-blooded prey. ... Some boas 
and pythons have similar infrared organs located in pits between the lip scales. [DOC] [TLE] A Closer Look at How Pit Vipers 'See' Heat | The Institute for ... [PAR] Mar 25, 2010 ... Support ICR  ... organs that allow them to determine if something might be prey. 
Of these creatures, the pit vipers' pit, which is located between its eyes and 
nostrils, ... to function as a specialized and highly sensitive heat receptor in the pit
. ... But if pit vipers' pits were designed by a beneficent God, as the... [DOC] [TLE] Rattlesnakes - DesertUSA [PAR] Pit vipers are snakes with two pits under their nostrils to detect heat, thus 
enabling them to hunt ... The pits are so sensitive that the snake can determine 
the size of the warm-blooded animal and can even detect prey in complete 
darkness. ... This information can help the rattlesnake follow its prey or find its 
way home. [DOC] [TLE] CROTALIDAE - Travel Tips - Mongabay [PAR] The crotalids, or pit vipers (Figure E-5), may be either slender or thick-bodied. ... 
These snakes take their name from the deep pit located between the eye and the 
nostril. ... The pit is a highly sensitive organ capable of picking up the slightest ... 
with the aid of these specialized pits that let them locate prey in total darkness. [DOC] [TLE] Golden lancehead videos, photos and facts - Bothropoides insularis ... [PAR] As in other vipers, the head is distinct from the body, the tail is relatively short, 
and the ... is yellowish in colour, sometimes with faint markings, and with a dark 
tip to the tail. ... the golden lancehead (Bothropoides insularis) is a highly 
venomous pitviper, ... Like other pitvipers, it uses its heat-sensitive pits to detect 
prey, and... [DOC] [TLE] Central Asian Pit Viper, Gloydius intermedius, description, habitat ... [PAR] The Central Asian pit viper, with a cadre of closely related and widely distributed 
... Its venom composition may vary with its locality -- highly toxic according to 
some, ... It uses its heat-sensing pits, especially in the darkness of night, to find 
and ... The Heat-sensing Pits: The sensitivity of the snake

Question: A pit viper's pits are highly sensitive to this & help it find its prey in the dark
Answer: Heat