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Showing posts with the label biology

waiting to worship a rat

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There may be a scientific explanation for why groundhogs (in the wild) would actually wake up midwinter. Consider this a sequel to my entry about the origins of Groundhog Day. Groundhogs are very simple animals; Stutz (2006) tells us, “They live pretty solitary lives, are good swimmers and adequate climbers, and, when not browsing on grasses, plants, and tree bark, spend the time working on their underground network of burrows. These activities take up half their lives. They spend the other half asleep. (p. 21) He goes on to explain how “winter in the northern hemisphere can mean sparse pickings” for a plant eater like the groundhog, hence they have evolved, like many other mammals, to hibernate through the colder months because that’s “better than retiring hungry every night and a lot less work than migrating”—and here’s where Stutz is just rude—“especially if you’re a lumpy creature with stubby legs.” Then Stutz provides a lengthy explanation about the hormone melatonin. Th...