Wood Frogs Can Freeze Solid And Then Thaw Back To Life

These remarkable amphibians can survive having up to 65% of their body water freeze into ice during winter. They produce a natural antifreeze (glucose) that protects their vital organs and cells from damage, allowing them to effectively "hibernate" in a frozen, non-beating state until warmer temperatures return.

Source

https://en.wikipedia.org/wiki/Wood_frog

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Published: March 29, 2026
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Cool Biology Animals Weird Wood Frog Cryoprotectant Freezing Hibernation Amphibians Survival

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