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Snakes Innovate Detox Method in Poison Frog Encounter

11/1/2025

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Summary

Story summary

Researchers offered royal ground snakes toxic three-striped poison dart frogs in the Colombian Amazon.
UC Berkeley biologist Valeria Ramírez Castañed led the study, showing six snakes refused, four ate, and three survived.
The observed detox behavior involved dragging the frogs across the ground to remove toxins, a first for reptiles.
Evolutionary biologist Rebecca Tarvin described the finding as part of a "toxic arms race" in nature.

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Story summary

Researchers offered royal ground snakes toxic three-striped poison dart frogs in the Colombian Amazon.
UC Berkeley biologist Valeria Ramírez Castañed led the study, showing six snakes refused, four ate, and three survived.
The observed detox behavior involved dragging the frogs across the ground to remove toxins, a first for reptiles.
Evolutionary biologist Rebecca Tarvin described the finding as part of a "toxic arms race" in nature.