Long before the Where's Waldo craze sent elementary schools into a frenzy throughout the late '80s and early '90s, there was a whole lot more to blending in than wearing a striped hat and glasses — just ask the critters whose survival depends on their camouflage skills. While the concept of animal camouflage may evoke mental images of brightly-colored Amazon frogs and chameleons shifting hues on a dime, countless creatures have the ability to fade into the background, some of which are even hiding in our own backyards.

From a big cat lurking among the snowdrifts to a snake making itself at home in the grass, here are 25 animals that have perfected the art of camouflage.