The native rat has telltale black feet and a long black and white tail. Weighing up to 800g, it's considered enormous compared to its more common relatives such as the golden-backed tree-rat at ...

Rattus nativitatis went extinct on Christmas Island by 1908. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...

Mr Hayes said the species had colonised waterways in Brittany, France, but they were native to South America. The States said: "The rodent, which looks like a large rat, is a non-native ...