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Heterothermy is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Heterothermy books and related discussion.

Suggested News Resources

'Field Notes': The Wonders Of Winter Adaptation
Reptiles and amphibians have adopted a "passive" strategy in winter, preferring to hang out at the bottom of ponds or beneath rocks. Small birds and mammals have variable body temperature (known as heterothermy) and may even huddle to stay warm.
Polar Bears Experience Limited Energy Savings in Summer, New Study Finds
To maintain an interior body temperature that allows them to survive longer and, nowadays, more frequent swims, the bears temporarily cool the outermost tissues of their core to form an insulating shell -- a phenomenon called regional heterothermy.
Meet the Comical Opah, the Only Truly Warm-Blooded Fish
There's nothing about the opah that says “fast-moving predator”. Tuna, sharks, and swordfish are fast-moving predators and accordingly, their bodies look like streamlined torpedoes.
Polar Bear Secrets: Starvation is Inevitable, Say Experts
"This regional heterothermy may represent an adaptation to long-distance swims, although its limits remain unknown," the researchers wrote. One bear, for instance, was able to pull off a stunning 400-mile, 9-day swim.
Madagascar divers find silver believed part of pirate stash
March 16, 2015. Heterothermy, the ability of some animals to lower their metabolism and body temperature, is traditionally seen as an effective adaptation to predictable seasonal bottlenecks of unproductive cold periods. A new review suggests .

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