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If you're interested in IR

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Posted by vvvddd on April 23, 2003 at 00:23:56:

In Reply to: Python Pits, Sight, Sound, Sleep posted by johnv on April 21, 2003 at 21:06:02:

Lots of physiological, anatomical, and behavioral research has been conducted on pythons and boas (not to mention pitvipers). Look up names like Terashima, Goris, de Cock Buning, Grace, Chiszar, Molenaar for some good studies and information on how it all works. Its a pretty complicated system but current science suggests that the infrared pathway is connected to the visual pathway and that pythons, boas, and pitvipers use infrared radiation to map out a spatial image that is the infrared equivalent of normal vision.

Some boas (B. constrictor, E. murinus) don't have pits, but have been tested and are just as IR sensitive as pythons and boas with pits.

Pretty neat stuff
Van

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