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Paw Print Critter Crossings
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Photo of a Wall with a Lip and Culvert
Amphibian-Reptile Wall and Culverts 39 of 44
Photo of a Wall with a Lip and Culvert
Photo by Dwight Forsyth

Amphibians and reptiles that manage to scale the vertical surface of this wall will be stopped by a "lip" at its top.

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