Ever wondered who would win a fight between an Australian and an introduced rat? New research provides the fascinating answer ...

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 ...

At the center of the black and white stripes of fur running along its body, the crested rat holds toxins from the arrow ...