Though without hair or scales, the Amur brown frog can hibernate in the frigid river for months. The damage done to many organisms by freezing occurs mainly in their cells. But the Amur brown frog has its special "antifreeze." The cold-resistant substance reduces the freezing point of its body fluids to protect its core organs.

About Journeys in Nature: Greater Hinggan Mountains Series

The Greater Hinggan Mountains in northeast China's Heilongjiang Province is the northernmost and highest latitude area in China. It is known for its dense forests in summer and magnificent snow scenery in winter. Biodiversity remains high in the mountains, and you can find snowy owls, corsac fox and moose. Stay tuned!

For more: Greater Hinggan Mountains Series Ep. 3: What is island forest?

(Cover image a video screenshot; video by the CGTN Nature film crew.)

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