An introduced black rat scratches through leaf litter, looking for food. Nearby, a native water rat watches on, its beady eyes shining. The native rat pounces out from the shadows, sending the invader ...

On a Mediterranean island off Italy, a conservation project aimed at removing an invasive rodent produced a change that could be seen in the seabird colony. Zannone had been among the larger Italian ...

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 ...

In 2002, black rats (Rattus rattus) were eradicated from Mokoliʻi, a 1.6-hectare islet off the east shore of Oʻahu, Hawaiʻi. Only a single Wedge-tailed Shearwater chick survived there from 1999 to ...