Monitoring the comings and goings of aquatic life with traces of DNA in water has become an established biomonitoring technique, but scientists are now using environmental DNA to assess terrestrial ...

This furry creature is a water vole. Like all mammals, it has a circulation system that's made up of two circuits. Its heart pumps oxygen rich blood around its body and back again. And also pumps ...

In Scotland a water vole becomes a triathlete - sprinting across a valley, swimming a loch and climbing a mountain to find a new home in which to raise her pups. Invasive American mink could kill ...