Wildlife experts at the RSPCA are caring for 15 birds who were caught up in a mystery spill off the coast of East Sussex and Kent.br br An emergency call came into the RSPCA on Friday (23 February) reporting birds who had been covered in contaminants following a spill off the Hastings coast.br br Rescuers went to collect the birds and a total of eight guillemots, six razorbills and one gannet have been rescued so far.