How polar animals cope with frigid darkness for months at a time

Polar night

In areas far north or south enough to experience polar night, the sun sets for extended periods of time in winter. At the North Pole, the darkness lasts for a full six months. Flickr user AdamKR

Endless darkness? Subzero temperatures? They can work with that. In areas far north or south enough to experience polar night, the sun sets for extended periods of time in winter. At the North Pole, the darkness lasts for a full six months. Flickr user AdamKR Winters at the top and bottom of the world are nobody’s…

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