A new study looking at the impact of road salt on wood frogs suggests the species may be evolving to better withstand the deadly mineral. A host of research on road salt’s impact on wood frogs shows a ...

It looks dead for months, its body packed with ice. But when spring arrives, this unassuming frog thaws back to life.

Some animals in Canada will chill off so much in winter that they actually freeze, ensuring their survival through the harsh months. Such is the case with the wood frog. To ensure it can make it ...

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 ...

With a body the color of dead leaves and a black “mask” extending behind the eyes, the wood frog is unmistakable if you can actually find one. Credit: PHOTO BY BILL DANIELSON During a recent lecture ...

Wood frogs (Rana sylvatica) exhibit an extraordinary capacity for freeze tolerance, an adaptation that enables survival despite the conversion of up to 65–70% of their total body water into ...

The mass of tiny black eggs floated on the surface of the vernal pool was reason for optimism. The weather wasn’t. Rick Koval and I visited a small vernal pool last week hoping to find a few species ...