Key Points Rats are common where food, water, and shelter are easy to find. Signs of rat activity in your yard include holes 2 to 4 inches in diameter, rat droppings, and partially eaten fruits and ...

Brown rats showed up in the Americas later, though exactly how much later has gone unresolved. Many historical accounts indicate an arrival date sometime around U.S. independence in 1776, ...

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent ...

Brown rats are also known as sewer rats, and can survive on almost any kind of food: fruit, grain, worms, trash, feces, carcasses. Much of Dr. Parsons’s research in New York is carried out in ...

Brown rats are larger and more aggressive than black rats - and they want to be close to human populations, said Matthew Frye, a researcher and community educator with the New York State ...

Brown rats are larger and more aggressive than black rats - and they want to be close to human populations, said Matthew Frye, a researcher and community educator with the New York State ...

Rat and human lives have long intersected, but there's relatively little research about them. Thanks to advances in genomics and paleoarcheology, a lot more study may be on the horizon.

Even though brown rats are also called Norway rats, the geographical name’s not accurate. They’re not from Norway. They’re from Mongolia and got to North America in the mid- to late-1700s.

The city is home to the Norway rat, or brown rat, which originated in Asia. Having been introduced to the country in the 1700s, likely via ships, it's now widespread through Illinois and the U.S ...

Then, the most prevalent species was the brown rat or Rattus norvegicus. It is now the only rat in New York City, likely arriving in North America just before the American Revolution.

Rats swarm around a bag of garbage near a dumpster in New York on July 7, 2000. A study published Wednesday, April 3, 2024, in the journal Science Advances suggests that brown rats crawled off ...

Brown rats are larger and more aggressive than black rats - and they want to be close to human populations, said Matthew Frye, a researcher and community educator with the New York State ...