HOW DO BUTTERFLIES THAT LIVE IN COLD REGIONS SURVIVE?

Butterflies live in almost all regions around the world, including the cold regions.
Ivallda Arctic Butterfly
N66_Butterfly_2

One surprising fact about butterflies is that they live in almost all regions around the world, including the cold areas. An example is the ivallda arctic that lives in the summits of the California Sierra Nevadas that can endure cold winters lasting up to 10 months at elevations up to 4,300 meters (14,000 ft). Researchers believe that caterpillars produce chemicals that prevent them from freezing.

The ivallda arctic butterfly lives in the summits of the California Sierra Nevadas with cold winters lasting up to 10 months.
Butterfly during winter
Just as the winter linge is able to endure cold winters, butterflies are no exception.
Winter linge

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