When temperatures plunge below freezing, animals rely on extreme biology to stay alive. From frogs that stop their hearts to fish that brew alcohol in their blood, here are 20 winter survival strategies ranked from clever to miraculous.
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⏱8 Min Read◫21 Slides
From Frozen Frogs to Shrinking Brains, How 20 Species Beat Winter
20. Hyperphagia In Brown Bears
19. Communal Huddling In Flying Squirrels
18. Cellular Dehydration In Earthworms
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17. Underwater Food Caches Of Beavers
16. Photoperiod Molting In Arctic Foxes
15. Communal Solar Basking In Garter Snakes
14. Cold Underground Larders Of Short-Tailed Weasels
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13. Ethanol Production In Crucian Carp
12. Subnivean Snow Tunnels Of Voles And Lemmings
11. Spatial Memory Caching In Clark's Nutcrackers
10. Feather Snowshoes And Snow Caves Of Ptarmigans
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9. Communal Heat Matrix Of Honeybees
8. True Winter Hibernation In Common Poorwills
7. Intestinal Remodelling In Burmese Pythons
6. Winter Brain Shrinkage In Eurasian Shrews
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5. Zero-Oxygen Mud Hibernation In Painted Turtles
4. Subzero Body Temperature In Arctic Ground Squirrels
3. Polar Hydrothermal Refuge Of Yeti Crabs
2. Blood Antifreeze Proteins In Arctic Cod
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1. Solid Cryopreservation In Wood Frogs
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🔥 UP NEXT IN THIS SERIES◫ 16 Slides
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When temperatures plunge below freezing, animals rely on extreme biology to stay alive. From frogs that stop their hearts to fish that brew alcohol in their blood, here are 20 winter survival strategies ranked from clever to miraculous.