World's Most Rodent-Packed Island Has 2 Options: Blanket Island In Poison, Deal With 500 Mice Per Acre

World's Most Rodent-Dense Island Struggles With Problem Of Mouse-ive Proportions

(NEWSER) - Those suffering from musophobia would be wise to steer clear of the South Farallon Islands. The archipelago, which sits just 27 miles off San Francisco, is the most rodent-dense island in the world, with an average of 500 Eurasian house mice occupying each of its 120 acres (that's 60,000 total).

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