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© ...

Their staccato voices can make a muskeg bog as loud as a city street, though most are so small they could sit in a coffee cup without scraping their noses. They surprise hikers, who notice them ...

Things didn’t look good for the five frozen wood frogs. The palm-sized amphibians were hibernating in a box outside Brian Barnes’ Fairbanks home a few decades ago. Barnes, director of the Institute of ...

Imagine disliking winter so much that you appear to die when it begins, only to come back to life in the spring. That's essentially what the incredible wood frog does (well, almost) to survive the ...