Some frogs blend into mud or leaves. Others look like someone spilled a paint set on them. These colorful frog species are so bright and beautiful, they seem designed to be seen.

From poison-packed skins to eye-popping patterns, these amphibians' colors can serve as warnings or camouflage, depending on the predator. Across swamps, rainforests, and even the edge of subtropical forests, frogs add splashes of color to the natural world.

1. Green and Black Poison Dart Frog

Native to South America, the this poison dart frog is both stunning and dangerous. Its bright coloring warns predators of its toxicity, a classic example of aposematic coloration.

These frogs, like many in their genus, produce powerful toxins from the ants and insects they eat.

2. Red-Eyed Tree Frog

This tropical spe

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