RE: Why Do Snakes Have Forked Tongues? by yawei

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Viewing a response to: @herpetologyguy/why-do-snakes-have-forked-tongues

· @yawei ·
That's so "clever" from father evolution's side. I have 1 question though, how accurate is it? Can snakes tell a general distance to the source of smell based on number of molecules or is it just a direction?
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