tens of thousands · All Facts

tens of thousands
Each spring at Manitoba's Narcisse Snake Dens, tens of thousands of red-sided garter snakes emerge from limestone dens — the largest snake aggregation on Earth.
SrcManitoba Natural Resources — Narcisse Snake Dens

Next evidence →1.5 meters awaySpitting cobras stream venom toward a predator's eyes and can hit moving targets more than 1.5 meters away by tracking and anticipating head motion.

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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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