Predator Defenses Backfired Poisonous Frogs Higher Risk Extinction

Nature World: Sometimes, being the most poisonous in the bunch isn't the best defense, it seems. In order to escape predation, many species have evolved to use special defenses that include camouflaging themselves, mimicking other species or using chemicals. For some amphibians that use toxins to protect themselves, the self-defense plan has backfired. Researchers from the University of Liverpool recently discovered that this predatory defense puts animals such as the iconic poison-dart frogs at a higher risk......

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