spectacle (brille) · All Facts

spectacle (brille)
Snakes have no eyelids — each eye is covered by a transparent scale called a spectacle (brille).
SrcNatural History Museum (London)

Next evidence →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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More in Snakes

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.
OphiophagusKing cobras (genus Ophiophagus) are the world's longest venomous snakes — adults commonly exceed 3.6 metres.

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