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According to the new measurements, a snake can lunge forward about half a foot in only 70 milliseconds. Faced with such speed, a lot of prey won't stand a chanceâalthough some animals are closely matched, such as the kangaroo rat. But even if an animal can react in time, they might not be able to accelerate enough to escape. Snakes are evolved to be very fast, Clark says.
There's this kind of preemptive discussion that [vipers] are faster, says David Penning at the University of Louisiana, Lafayette. Not so fast: When Penning and his colleagues compared strike speeds in three types of snakes, they found that at least one nonvenomous species was just as quick as the vipers.