Gastroenteritis — United States
In the early 20th century, Canada geese were considered endangered in the U.S. So in the 1950s and 1960s, birds from the Midwest were released in eastern and southern states to boost their numbers. The strategy worked too well. Populations grew exponentially in the 1990s and today millions of wild Canada geese are permanent residents in cities and towns across the U.S., constantly eating and depositing large amounts of feces in the habitat they share with humans.
As public health concerns
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