100 mm long · All Facts

100 mm long
The Barbados threadsnake is only about 100 mm long (~4 inches) — among the smallest snakes known.
SrcZootaxa (Hedges, 2008)

Next evidence →0.003°C or lessPit viper facial pits can sense temperature changes of 0.003°C or less — enough to track warm prey in darkness.

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More in Snakes

spectacle (brille)Snakes have no eyelids — each eye is covered by a transparent scale called a spectacle (brille).
pelvic spursPythons and boas still carry pelvic spurs — claw-like remnants of ancestral hind limbs used in courtship, not walking.
vomeronasal (Jacobson's) organA snake's forked tongue delivers odor molecules to the vomeronasal (Jacobson's) organ in the roof of its mouth.
100–400 vertebraeA snake's spine can hold 100–400 vertebrae — plus up to about 200 more in the tail — far more than a human's 33.

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