By Sheetal Kumari | October 25, 2025

The Frog That Turns to Ice in Winter and Lives Again in Spring

Say hello to the wood frog, the icy survivor of nature who outsmarts death during every winter.

Wood Frog

(Image: Canva)

Native to North America, the wood frog outlasts cold winters by literally becoming a frog popsicle.

Say Hello to the Wood Frog

(Image: Canva)

As winter approaches, the frog’s heart suspends, it ceases to breathe, and its body freezes through and through.

Frozen Yet Alive

(Image: Canva)

Ice crystals develop in its body cavity and even between cells—but never within them.

Ice Within the Body

(Image: Canva)

The frog fills its cells with glucose, behaving like antifreeze to safeguard vital organs.

How It Survives

(Image: Canva)

The brain activity and heart of the wood frog cease altogether—yet it doesn’t perish.

Heart Stops Beating

(Image: Canva)

It remains frozen for weeks or months, hidden under leaves or snow.

Winter Hibernation

(Image: Canva)

When temperatures go up, the frog thaws out, its heart begins again, and it hops away as if nothing occurred.

Spring Revival

(Image: Canva)

Researchers investigate the wood frog for secrets of human organ preservation and survival in space travel.

Scientific Wonder

(Image: Canva)

From frozen silence to spring song, the wood frog is nature’s coolest miracle.

Nature’s Cool Trick

(Image: Canva)

Next: This extremely rare bird is the world’s heaviest parrot

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