How are mammals adapted to cold climates?

How do animals adapt to cold weather?

According to the National Park Service, there are three major strategies for animals, as well as insects and plants, to survive through cold temperatures: migration, hibernation and resistance (tolerance).

How are mammals adapted to cold climates?

Some of them migrate, though often not in response to the cold but rather to changes in rainfall, some hibernate, but many adapt to cooler temperatures. To keep warm, they grow thicker fur, they may collect and store extra food to eat it later and they find shelter in tree holes or burrows.

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