Name: Hungry rats may turn to cannibalism during the coronavirus outbreak, and it could lead to a breed of aggressive, resilient rats in the future
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Hungry rats may turn to cannibalism during the coronavirus outbreak, and it could lead to a breed of aggressive, resilient rats in the future

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A ghost.Rats across America have been left hungry amid mass coronavirus shutdowns, and many have turned to cannibalism to survive — a move that could lead to a smarter, more aggressive rat breed in the future.According to multiple experts, rats who usually feed off garbage from restaurants and arenas have been left hungry as establishments have closed or limited operations to help prevent the spread of the novel coronavirus.Now they rats looking for new food sources, but options are grim.Michael H. Parsons, a biological sciences research scholar at Fordham University who's planning to launch a study about rats and COVID-19, told Insider that it's often shyer and less social rats that migrate from colonies into the public eye, but because of food shortages, whole colonies are moving into new environments."You have a smarter and even more resilient group of the population that have not been previously connected to humans, or at least not observed by humans directly," Parsons, told Insider.But the migrations are a result of food shortages, Bobby Corrigan, an urban rodentologist, "A restaurant all of a sudden closes now, which has happened by the thousands in not just New York City but coast to coast and around the world, and those rats that were living by that restaurant, some place nearby, and perhaps for decades having generations of rats that depended on that restaurant food, well, life is no longer working for them, and they only have a couple of choices," he said.Rats will likely, Corrigan said, turn to cannibalism and infanticide to survive."It's just like we've seen in the history of mankind, where people try to take over lands and they come in with militaries and armies and fight to the death, literally, for who's going to conquer that land. And that's what happens with rats," he told NBC News.In the short term, the rats will be reducing their population and limiting breeding — which Parsons called a "best case scenario" — but it could lead to a new, stronger, breed of rats as a long-term result."It's a great scenario when rats are turning on one another. They're literally killing one another," he said. "But the problem here is that as soon as they find new food, which invariably they will… instead of having low-ranking rats looking for entries into our residencies, we have the smartest, most resilient."He added that rats breed quickly — with a 23-day pregnancy period — and those smarter, more aggressive rats could produce a more resilient group of rats searching for food in any way they can."The survivors of the rat migration may convey more risk-taking, aggression and lead to allele frequency changes and adaptation," he told Insider, citing his proposed rat study. "And we could have more resilient rats available for a possible second wave of the pandemic. Will they be more ready than we are?"Parsons said that while there are no reported cases of rats contracted COVID-19, the rodents can spread other diseases including bacterial and parasite infections and Hantavirus into new populations of humans and animals.He said a worst-case scenario would include rats becoming infected with diseases, and carrying those onto people in new populations.Parsons urged people to ramp up rodent control measures in their homes and businesses to keep more aggressive rodents out. "The important message from my perspective is for people not to let their guard's down and open the door to other illnesses," Parsons told Insider. "If a rat were to become infected with the virus, it could possibly mutate inside the rat- and become a more virulent pathogen."Something is loading.Do you have a personal experience with the coronavirus you'd like to share? Or a tip on how your town or community is handling the pandemic? Please email and tell us your story.It indicates an expandable section or menu, or sometimes previous / next navigation options.Like what you see here? Subscribe to our daily newsletter to get more of it.

A ghost.Rats across America have been left hungry amid mass coronavirus shutdowns, and many have turned to cannibalism to survive — a move that could lead to a smarter, more aggressive rat breed in the future.According to multiple experts, rats who usually feed off garbage from restaurants and arenas have been left hungry as establishments have closed or limited operations to help prevent the spread of the novel coronavirus.Now they rats looking for new food sources, but options are grim.Michael H. Parsons, a biological sciences research scholar at Fordham University who's planning to...

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Hungry rats may turn to cannibalism during the coronavirus outbreak, and it could lead to a breed of aggressive, resilient rats in the future

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