FAIRBANKS — The first time Marian Snively heard the “errr-ruk-ruk” croaking of a wood frog, she made the same mistake a lot of people make. “When I first heard it I said, ‘That’s a duck,’” recalled ...

According to a study led by Don Larson of the University of Alaska Fairbanks, wood frogs (Lithobates sylvaticus) freeze up to 60 percent of their bodies during the long and extremely cold Alaskan ...

Their bodies cooling with the October air, wood frogs are now snug in leafy blankets all over Alaska. Down there inside those thumb-size frogs, even smaller creatures are hitching a ride. These tiny ...

WASHINGTON — If you’ve ever been unable to find a bathroom in a moment of need, you know the gotta-go feeling. That’s nothing compared to the wood frog, which doesn’t urinate all winter. In Alaska, ...

Their bodies cooling with the October air, wood frogs are now snug in leafy blankets all over Alaska. Down there inside those thumb-size frogs, even smaller creatures are hitching a ride. These tiny ...

Wood frogs hold in urine all winter as a survival mechanism by recycling urea, according to a study published Tuesday. In Alaska, wood frogs go eight months without urinating, and now scientists have ...

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 ...

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 ...

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 ...

Some social media users are sharing an image they claim shows a frozen wood frog. The subject of the image is a green creaturecovered in frost crystals. "In Alaska, wood frogs freeze for seven months ...