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DR. CORRIGAN, a member of the Pest Management Professional Hall of Fame Class of 2008, is an urban rodentologist. He may be reached at

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City rat colonies in the time of COVID-19 Posted on 19 Oct 2020 in the COVID-19 & From the Magazine & Rodents categories.

"Hungry rats ... must find food whenever they can find it — nighttime, daytime, regardless of whether their enemies are about." Read more»