Wood Frog facts

While investigating facts about Wood Frog Call and Wood Frog Bakery, I found out little known, but curios details like:

The wood frog is capable of being completely frozen for prolonged periods of time and living after thawing. During its time frozen, it doesn't have any brain activity or even a heartbeat. Yet, remarkably it's able to thaw itself back to life in the spring.

how wood frogs freeze?

There is a species of wood frog in Alaska that freezes during Winter, its heart and breathing stops and its blood freezes. Then as Spring comes around, it thaws out, hops off and carries on with life.

What does a wood frog sound like?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what sound does a wood frog make. Here are 22 of the best facts about Wood Frog Sound and Wood Frog Frozen I managed to collect.

what do wood frogs eat?

1. Wood frogs can freeze solid for up to 8 months. They thaw in the spring with all normal function restored (just in time to bang). Scientists still don't understand the mechanism that restarts the frogs' hearts.

2. Wood Frogs don't hibernate in the winter like other animals, rather they cryogenically freeze their bodies, stopping all their organs INCLUDING their heart, and stay this way for months before thawing themselves out when the weather gets warmer in the spring.

3. The only amphibian found in the area is the wood frog.

4. About the Wood Frog. These frogs have adapted to cold climates by freezing over the winter. During this time, they stop breathing and their hearts stop beating. Their bodies produce a special antifreeze substance that prevents ice from freezing within their cells

5. The wood frog which can tolerate it's blood and other tissues being frozen in winter months.

6. The only amphibian to live in the arctic circle is the wood frog; it freezes, dies, thaws out and comes back to life.

7. The North American Wood Frog produces its own anti-freeze, allowing it to freeze solid and stop its own heartbeat for months at a time

8. A species of wood frog survives the winter by allowing itself to almost completely freeze. The blood of the frog freezes and its breathing and heart stop for the entire winter. When spring thaws it out, it continues on with life

9. Wood frogs have no heartbeat, blood circulation, or brain activity during hibernation.

Why do wood frogs freeze their bodies?

You can easily fact check why do wood frogs hibernate by examining the linked well-known sources.

A hibernating wood frog has "no muscle movement. No heartbeat. No breathing. For the entire winter, the wood frog is like a lump of hard, frigid, icy stone carved in the shape of a frog. But it's alive, in a state of suspended animation. In spring, the wood frog thaws from the inside outward."

Rana sylvatica, an arctic wood frog that freezes to death every winter. It stops breathing, its heart stops beating, but it comes back to life when it thaws out each spring. - source

The wood frog and other animals have the ability to freeze solid during winter, thaw in the spring and remain perfectly healthy. - source

Wood frogs and bears use their urine to survive their hibernations!

There is a frog that can live in extremely cold conditions by allowing some extracellular fluids (blood/lymph etc) to freeze... Glycation of wood frog (Rana sylvatica) hemoglobin and blood proteins: in vivo and in vitro studies - source

When do wood frogs lay eggs?

The wood frog can survive for weeks with two-thirds of their body water completely frozen

How do wood frogs survive freezing?

Alaskan Wood Frogs use urine and glucose to go into cryosleep

Wood frogs in winter months, freeze up to 65% of their total body water. They can spend 2 to 3 months in this frozen state, thawing out in the spring.

Arctic Wood Frogs. The tiny amphibians can survive for weeks without a heartbeat, breathing and an incredible two-thirds of their body water completely frozen

Wood Frogs Can Survive Being Frozen Solid