2016年3月14日 · New York City rats can be big, and because of some yucky research, we now know just how big. Matthew Combs, a doctoral student at Fordham University, and his colleagues collected hundreds of rats for an ongoing study to determine how the creatures colonize. But in the process, they've given us a better idea of how the rodents can range in size.

However, a 2023 study estimates that there are approximately 3 million rats in New York, which is close to a third of New York's human population. The city's rat population is dominated by the brown rat (also known as the Norway rat). The average adult body weight is 350 grams (12 oz) in males and about 250 grams (8.8 oz) in females.

2023年10月13日 · For those living in some of the most built-up areas of New York until recently, it may have been more of a reality than an old wives' tale. An August study by one pest-control firm estimated...

2016年3月3日 · Rats even bigger than that have been found, on occasion; the species of rat that lives in New York City, Rattus norvegicus, can grow as large as two pounds. A 675 gram rat, though—that’s a...

2024年3月7日 · NEW YORK - Almost every New Yorker saw Ruth McDaniels' viral comments saying she saw "rats the size of Crocs" running up and down the street of her Harlem neighborhood. McDaniels made the...

2023年8月20日 · If you’re short on time, here’s a quick answer: NYC rats are so large due to plentiful food sources, mild winters, lack of predators, and genetic mutations that favor larger rat bodies. One of the key factors contributing to the large size of rats in New York City is the abundant food sources available in its dense urban environment.

2023年12月28日 · New York City is home to the world’s largest rat species, Rattus norvegicus. Factors such as food waste and secure havens have enabled these rats to thrive in urban environments, leading to a significant increase in their population.

2025年1月31日 · It had a 1.5 times greater growth in rat populations than New York City. The tell-tale sign of a rat problem in DC is a hole chewed through a hard plastic trash can.

2024年1月30日 · New York City rats are often perceived as larger due to abundant food sources and less predation compared to rural areas. This post will explore the factors contributing to the size of these urban rats, including their diet, lifestyle, and adaptation to city environments.

3 天之前 · Using data from public rat sightings and inspections between 2007 and 2024, researchers examined 16 cities around the world and found two-thirds saw increases in rat populations. New York City saw the fourth-highest spike in rats. It's the first study to use data to link rates to warming temperatures.