“As temperatures drop below freezing, it freezes solid, with 70% of the water in its body turning to ice. It stops breathing, its heart stops beating and its kidneys stop functioning”

The only amphibian to live north of the Arctic Circle, the wood frog (Lithobates sylvaticus) has an amazing ability to undergo freezing and thawing to survive cold winters. As you might guess from its common name, it lives mainly in woodland, only taking to shallow pools in springtime to breed, the males uttering a distinctive quacking call to attract mates. What […]