Fun facts about Groundhog Day

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Did you know? In the wild, groundhogs are one of the few species that undergo true hibernation, meaning their metabolic rate becomes so low that their oxygen consumption can drop to less than 5 percent of their normal waking rate.

Fact 1 of 28

28 facts about Groundhog Day

  1. 1
    Groundhogs have been known to climb trees, an unusual behavior for such a heavy, earth-bound animal, often doing so to escape predators or reach fresh fruit.
  2. 2
    People often think Phil is the original groundhog from 1886, but he is actually part of a long lineage of different groundhogs that have carried the name for over a century.
  3. 3
    Groundhogs are actually a type of large ground squirrel, making the famous weather forecaster a close relative of the squirrels you see running around in city parks.
  4. 4
    There is a false belief that groundhogs emerge on February 2nd because they are naturally waking up from hibernation, but they usually stay underground until March.
  5. 5
    Ancient agricultural societies monitored animal emergence patterns as a biological calendar to decide when to begin planting their spring crops.
  6. 6
    In some parts of the United States, other animals like local armadillos or even ground squirrels are used as local weather surrogates instead of groundhogs.
  7. 7
    A groundhog's burrow system can be up to 30 feet long and contains multiple levels and exits to keep the family safe from predators.
  8. 8
    If you look closely at the ceremony, the groundhog never actually whispers into the ears of the handlers; they interpret his behavior based on his mood.
  9. 9
    Groundhogs are known as whistle-pigs because they emit a high-pitched whistling sound when they are alarmed to warn others of danger.
  10. 10
    The town of Punxsutawney welcomes up to 40,000 visitors every year for the celebration, which is massive considering the town's normal population is around 6,000.
  11. 11
    Groundhogs are extremely territorial and will mark their dens with scent glands located on their cheeks to keep other groundhogs away.
  12. 12
    The specific tradition of the shadow is based on the belief that if the sun shines on Candlemas Day, the remaining winter will be long and cold.
  13. 13
    Phil's home is a climate-controlled burrow inside a library in Punxsutawney where he lives year-round with his groundhog wife, Phyllis.
  14. 14
    It is a common misconception that Groundhog Day is a scientific event, but it is actually a cultural tradition rooted in old folklore about animal behavior.
  15. 15
    Before the groundhog became famous, ancient Europeans looked for signs from a hedgehog or a sacred bear to determine if spring would arrive early.
  16. 16
    Groundhogs are one of the few animals that experience true hibernation, during which their heart rate drops from 80 beats per minute to as few as five beats per minute.
  17. 17
    A group of men called the Inner Circle, dressed in top hats and tuxedos, are the ones who officially translate Phil's weather prediction from Groundhogese.
  18. 18
    Many people believe the groundhog actually sees his shadow, but in reality, the Groundhog Club inner circle members make the prediction before the groundhog even emerges.
  19. 19
    Groundhogs are actually excellent swimmers and have been known to climb trees when they feel threatened or want a better view of their surroundings.
  20. 20
    The official Groundhog Day celebration in Punxsutawney, Pennsylvania, did not start until 1886, when a local newspaper editor jokingly dubbed the groundhog the official weather prognosticator.
  21. 21
    Punxsutawney Phil is said to be over 130 years old because the groundhog club claims he drinks a magic elixir every summer that gives him seven more years of life.
  22. 22
    German immigrants originally used a badger to predict the weather, but they switched to the groundhog once they arrived in Pennsylvania because badgers were rarely seen in that area.
  23. 23
    Groundhogs are part of the squirrel family, known as marmots, and they are one of the few species that undergo true hibernation where their body temperature can drop to nearly freezing.
  24. 24
    Punxsutawney Phil is technically not a weather forecaster, and his predictions are only about 40 percent accurate, which is slightly worse than just flipping a coin.
  25. 25
    Before groundhogs were used in the United States, German immigrants in Pennsylvania used a badger to predict the weather, but they switched to the groundhog because badgers were much harder to find in the region.
  26. 26
    Groundhogs are technically members of the squirrel family and are one of the few animals that enter true hibernation, meaning their body temperature drops from 99 degrees to as low as 37 degrees.
  27. 27
    The groundhog is actually not a weather forecaster; historically, accuracy rates for Groundhog Day predictions hover around 40 percent, meaning you would likely have better luck flipping a coin.
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