Wood frogs — Lithobates sylvaticus, also known as Rana sylvatica — live farther north than any other amphibian, even beyond the Arctic Circle. Unlike most frogs, they don’t overwinter underwater. They ...
The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...
As winter swoops over the world, wrapping the days in mist and hardening the ground beneath a layer of frost, people retreat indoors to snuggle into cozy blankets. With heaters humming in the ...
Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology.