Footage has provided Sydney researchers with the first evidence of a native rakali attacking a black rat – an introduced and problematic species. An introduced black rat scratches through leaf litter, ...

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 rivals – ...

Invasive species cause environmental mayhem when they establish themselves in a new ecosystem. But these interlopers can also impact human health directly. Deadly diseases can jump from animals to ...

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In New York, they forced the city to hire a "rat czar." In Chicago, they have prompted the deployment of feral cats. In New Orleans, they are literally eating police evidence. Now researchers are ...