Press Association: Seabirds such as guillemots and kittiwakes are struggling to breed again this year, the RSPB said. The conservation charity said early reports of breeding performance of internationally-important populations of seabirds at its coastal reserves indicated continuing problems. The RSPB said annual breeding failures were probably linked to the impacts of climate change on the birds’ food sources, with fewer fish available for them to eat. As a result cliffs which should be …