Patricio Robles Gil / Treefrog camouflaged among lichen, Sierra del Carmen region, Mexico

Patricio Robles Gil / Texas Horned Lizard (Phrynosoma cornutum) camouflaged against rocks, Sierra del Carmen region, Mexico

ZSSD / Mexican Giant Tree Frog (Pachymedusa dacnicolor) camouflaged on leaf, native to Mexico

Patricio Robles Gil / Green Rat Snake (Senticolis triaspis) camouflaged among leaves on the forest floor, East Sierra Madre in the pine oak mountains of Tamaulipas, Mexico