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Biology

The Evolution of Venom Resistance in Snake Predator-Prey Arms Races

Quick fact

Some populations of California ground squirrels can survive rattlesnake venom doses that would kill a human, directly pitting their molecular defenses against the evolving toxin mixtures of their snake predators.

Why this is interesting

Imagine a mouse that can shrug off the bite of a deadly viper. How could such a defense ever evolve?