North America wasn't always crawling with rats. Black rats (Rattus rattus) were the first to sail over with Europeans in the 1500s, possibly reaching the Caribbean shores with Christopher Columbus ...

The dominant rat in New York City is the Norway rat, Rattus norvegicus, also known as the brown rat. Brown rats are burrowing animals that are widest at the skull, so they can slip into any space ...

Richardson said he hopes this study nudges city officials and scientists to gather more data about rats. Banner image of a roof rat (Rattus rattus) by Rhett A. Butler/Mongabay.

Claiming that it would be too expensive, research industry lobbyists succeeded in obtaining a 2002 amendment to the Animal Welfare Act specifically excluding rats (of the genus Rattus), mice (of the ...

Packed with amazing historical info and bags of laughs – and featuring our famous talking rat, Rattus Rattus as your guide – come and have a listen to what a podcast from the past might be like!