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Is That a Pit Viper?

Is That a Pit Viper?
Is That a Pit Viper?

Pit vipers have certain features that can help distinguish them from nonvenomous snakes: Vertical slitlike pupils Pits between the eyes and nose Retractable fangs Rows of single scales across the underside of the tail Triangular heads (like an arrowhead) Nonvenomous snakes tend to have the following: Rounded heads Round pupils No pits No fangs Rows of double scales across the underside of the tail If people see a snake with no fangs, they should not assume it is nonvenomous because the fangs may be retracted.

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