About.com: What the Heck is Groundhog Day Anyway?
Includes a brief history of Groundhog Day and links to famous groundhogs, plus photos, FAQ, and event listings for the celebration in Punxsutawney, Pennsylvania.
Frumious Bandersnatch Satirical Newspaper and Ezine
"Groundhog buried alive; Phoenix faces 12 years of summer!" Satire about Punxsutawney Phil.
The history of how Groundhog Day started and what it means.
A short introduction to the most-watched weather forecast of the year-and the only one led by a rodent.
Background of Groundhog day along with trivia, songs, and groundhog wallpaper.
Groundhog Day History
Groundhog Day history from Stormfax, with folklore and winter weather lore.
Groundhog Day and Chinese Astronomy
Explanation of relationship between Groundhog Day and Chinese Astronomy.
Wiarton Willie and Groundhog Day
Includes reports, quick facts, and related links.
Open-content encyclopedia article covering the history of the holiday.