Assertion: rattlesnake's pit | /r/CapableOf | focus infrared images
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text: As pitvipers, eastern diamondback rattlesnakes also have the second set of infrared-sensitive eyes on the face in the form of two forward-facing pits that focus infrared images in the same manner as a pinhole camera, as well as the long, folding fangs used to inject venom into prey or potential predators.