The frog species sounds like a duck quacking and freezes solid each winter, according to wildlife experts.

As temperatures climb and trees bud with the arrival of spring, a native frog species is awakening after months being frozen and nearly dead. Wood frogs are small, brownish-tan amphibians between 1.5 ...

The wood frog (Lithobates sylvaticus or Rana sylvatica) has a broad distribution over North America, extending from the Boreal forest of Canada and Alaska to the southern Appalachians. Portrait macro© ...

Some frogs survive winter in a way that seems impossible. Their bodies freeze completely — heart stopped, no breathing, ice ...

Alaskan wood frogs survive freezing temperatures by entering states of suspended animation. They do this by undergoing a controlled body freeze, spreading glucose through their bodies, and shutting ...