Assertion: snake | /r/HasProperty | pit vipers
Facets:
value: by sensing vibrations with their body
type: MANNER
Source sentences:
text: In addition to their eyes, some snakes (pit vipers, pythons and some boas) have infrared-sensitive receptors in deep grooves between the nostril and eye which allow them to actually see radiated heat.
text: Snakes find their prey in a variety of ways: by sight, by using heat-sensing pits on the sides of their head (these snakes are called pit vipers) or on the lips of some boas and pythons, by sensing vibrations with their body, or "tasting" the air with their tongue to see what's nearby.
text: PIT VIPERS There is a group of snakes that are known as Pit Vipers.