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GROUNDHOGS DO IT WITHOUT DOPPLER; THEIR SECRET MAY BE TEMPERATURE
phenologyRocky Mountain Biological LaboratoryCrested ButteRocky MountainsMarmota flaviventrisMarmota monax
Summary
TRADITIONS Chester, the St. Louis Zoo's groundhog weatherman, has never been wrong. In four years of predicting long winters or early springs, the furry forecaster has relied on a tried and true indicator of the coming climate -- his shadow. That's Chester's story, and he and other famous groundhog
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