This Frog Freezes Solid in Winter and Comes Back to Life in Spring

This Frog Freezes Solid in Winter and Comes Back to Life in Spring

By Sheetal Kumari | June 23, 2025 

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

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

Nature’s Cool Trick

(Image: Canva)

Next: 10 Most Colorful Freshwater Fish in the World
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