Frogs use brains or camouflage to evade predators

How do frogs protect themselves from predators? Some species rely on cognitive predator evasion, using their large brains and strong hind legs. For species exposed to high predation pressure, however, this strategy takes too much energy, and effective camouflage to avoid being detected in the first place may be preferable. Evolutionary biologists now reveal how these different survival strategies evolved in frogs.

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