References in periodicals archive ?
These two little ducks are genetically very similar - the only apparent difference between them being that the ruddies have blue beaks and the Spanish ducks have white heads.
Some 2,500 ruddies have already been shot - some from the Warwickshire Wildlife Trust, Brandon Marsh Nature Centre and 2,500 more are now destined to meet the same fate.
But Jayne, of Kingston University, said there was no evidence that British "ruddies" were to blame.