The wood frog can survive being frozen solid during winter, with up to 70% of its body water turning to ice, then thaw and resume normal activity.
Sources
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8067143/ (ncbi.nlm.nih.gov)
- https://www.discoverwildcare.com/animal-facts/amphibians/wood-frog (discoverwildcare.com)
- https://www.nationalgeographic.com/animals/article/animals-freeze-then-thaw-explained (nationalgeographic.com)
- https://www.audubon.org/news/frogs-freeze-survive-alaskan-winter (audubon.org)
- https://www.sciencedirect.com/science/article/abs/pii/S1096495922000355 (sciencedirect.com)
- https://www.forestsociety.org/something-wild/frozen-wood-frogs-thaw-out (forestsociety.org)
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