WASHINGTON (AP) — 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.

A wood frog is seen in Ohio, April 24, 2018. In a report released May 1, 2018, scientists have found that wood frogs, which don’t urinate in the winter, recycle urea, the main waste in urine ...

Wood frog mating calls echo through parts of the Great Smoky Mountains National Park. The frogs breed on warm winter days and this January has been very mild.

It quickly resumes normal life after thawing in the spring. Geographic range of the North American wood frog. Other researchers at Miami have discovered that frogs from the interior of Alaska can ...

But once the temperatures warm, they come back to life. Wood frogs live all over America and in the Arctic Circle. Some Alaskan wood frogs get as cold as zero degrees, he said.

WASHINGTON (AP) — 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.