Snakes Caught 'Wiping' Poison Off Frogs
In an experiment, 10 snakes from the Colombian Amazon were presented with three-striped poison dart frogs, which contain deadly toxins.
Six of the snakes chose to go hungry, while the other four attempted to eat the frogs, but first dragged them across the ground to remove some of the toxins.
Biologist Valeria Ramírez Castañeda noted that this behavior is similar to some birds rubbing toxins off their prey.
The skin of the frogs contains toxins such as histrionicotoxins, pumiliotoxins, and decahydroquinolines, which interfere with essential cell proteins.
Author's summary: Snakes remove toxins from frogs before eating.
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