When the cold weather comes, I bundle up in a sweater and explore the snow. But my frog friends are never around then. In fact, I’ve never seen a frog in a sweater. I asked my friend Erica Crespi why ...

Add Yahoo as a preferred source to see more of our stories on Google. The wood frog (Lithobates sylvaticus or Rana sylvatica) has a broad distribution over North America, extending from the Boreal ...

The next time you declare that you are “freezing to death,” spare a thought for the wood frog who gets so cold in winter that ...

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 ...