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Where do amphibians live?
How do frogs survive winter? Why don't they freeze to death
All About Frogs
These Frogs Cannot Pee for Entire Winter Season for Their Survival
First in vitro Puerto Rico crested toad gives scientists hope
These Frogs Cannot Pee for Entire Winter Season for Their Survival
Will my frogs survive the winter?
The Sonoran Desert toad can alter your mind — it's not the only animal
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Frozen Frogs - Nature Center at Shaker Lakes wood frogs
May 2, 2018 New York Post
May 2, 2018 New York Post
Frozen frogs, a butt-breather and a seasonal genius: How Ontario