Antifreeze-Like Blood Lets Frogs Freeze and Thaw With Winter's Whims
The wood frog of North America can survive being frozen solid. Its heart stops beating and brain activity ceases. Its liver produces and abundance of glucose (sugar) which along with other enzymes
Near to Nature: Frozen Frogs of Bays Mountain - Bays Mountain Park and Planetarium
Cryobiology among amphibians: What can we learn from freezing frogs? - Science Over Everything
Wood Frog | National Wildlife Federation
Can These Frogs Survive After Freezing in Winter? | Snopes.com
Antifreeze-Like Blood Lets Frogs Freeze and Thaw With Winter's Whims