Attempts to breed a rare species of duck to avoid extinction in the UK have backfired after the only two remaining males fell for each other.Keepers at a bird sanctuary in West Sussex hoped that the last remaining female Blue Duck in the country - called Cherry - might mate with either of the drakes, Ben or Jerry. But neither male duck appeared interested and are now inseparable at the Arundel Wetland Centre, leaving Cherry to her own devices. Related Articles Endangered bittern returns to Somerset Thai zoo hopes cold spell will put pandas in heat Gay penguins steal eggs...