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Rattlesnake infrared pits

Image details: rattlesnake_head_square.jpg

Rattlesnake infrared pits
Image metadata
COPYRIGHT Robert S. Simmons
LICENSING n/a (find out about different licences)
CREATOR Robert S. Simmons
SOURCE Web
DESCRIPTION Head of a Mexican Ridged Nosed Rattlesnake with one of two distinctive cranial pits (thermoreceptors common to all pit vipers) visible between the nostril and eye.
WIDTH 526px
HEIGHT 510px