Aside from humans, the laboratory rat (Rattus norvegicus) must be the most studied organism on the planet. According to the ISI Web of Science, over 100,000 publications since the year 2000 refer ...

This week's frigid weather has many New York City residents shivering, scurrying into cozy spots and feeling sapped.

1. Brown, R.E. Stimuli eliciting urine-marking in the rat (Rattus norvegicus). Bulletin of the Ecological Society of America, 1973, 54, 44. (Abstract). 2. Brown, R.E ...

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 ...