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St. Louis Cardinals fan Caled Killian arrives at the stadium dressed as a rally squirrel to watch the Cardinals host the Milwaukee Brewers during Game Five of the National League Championship Series at Busch Stadium on October 14, 2011 in St Louis, Missouri. Photo: Jamie Squire/Getty Images
Related: Revenge of the Busch squirrel — Five other animal-related invasions
Revenge of the Busch squirrel
Over the years, furry critters have developed an efficient way to enter stadiums without paying for a ticket. Birds have the luxury of flying into open stadiums, but routes inside are trickier to find for the four-legged variety. But one squirrel in St. Louis eluded everyone on Thursday. Dave Kaup/Reuters
