Lovely piece @gavvet, with respect to hibernation, Certain animal species have evolved an adaptation that allows them to weather long stretches of time when food is scarce — they enter a state known as hibernation. And what happens when an animal hibernates is much more dramatic than simply curling up for an extended nap; extreme metabolic changes are taking place. The animal's heart and breathing rates slow down, and its body temperature drops. Depending on the species, days or even weeks may pass without the animal waking to drink, eat or relieve itself.
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