The frog species sounds like a duck quacking and freezes solid each winter, according to wildlife experts.
Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology. The wood frog (Rana sylvatica), along with a few treefrog species like the ...
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© ...
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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 ...
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 ...