Boas take pulse as they snuff it out | Science News

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Boas take pulse as they snuff it out

Snakes use waning throb as signal to stop squeezing

By
10:59am, January 18, 2012

A boa constrictor knows to stop squeezing a juicy rat by sensing the heartbeat of its prey, easing up only when the pulse stops, a new study finds.

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