New York City’s cold snap is good news for the city’s rat catchers - New York’s ‘rat czar’ Kathleen Corradi says the weather ...

Ever wondered what rats can teach us about human history and survival? A Drexel prof. studies how rats' adaptability mirrors human history, migration, and survival. His recent article on the ...

New York rats are primarily Norway (or brown) rats. Their ancestors lived in the wild in northern China and Mongolia, were established in parts of Europe by 1500, and then followed Europeans ...

There are old rat paths beneath the benches in at least two ferry sheds. In the spring and summer, multitudes of one species, the brown rat, live in twisting, many-chambered burrows in vacant lots ...

New York City's wild rat species — Rattus norvegicus, also called the Norway rat or brown rat — doesn't hibernate in winter but does become less active when the weather is freezing for ...

Brown rat (Rattus norvegicus) is the rat species common in cities all over the world. While previously European cities were inhabited by black rats (Rattus rattus), nowadays they are rare, having lost ...

The rodents hate it, too, according to rat czar Kathleen Corradi. Brown rats are less active in extreme cold and there is less food for them on the streets, Corradi said. That stresses the pests ...

A male rat tries to mate with as many female rats as possible. Even though brown rats are also called Norway rats, the geographical name’s not accurate. They’re not from Norway. They’re from ...

The answer to the latter, it became clear, was much more than a T-shirt. The brown rat, or Rattus norvegicus, isn't all that different from the average New Yorker. It hates long commutes and loves ...