BBC: SNH said lower fish numbers led to lower numbers of adult birds surviving from one year to the next, and not enough chicks being produced and surviving to replace them. SNH director of policy and advice, Prof Colin Galbraith, said: “While it’s always disappointing to witness declines in important species, we are not entirely surprised at these findings. “After several decades of increasing seabird abundance, we are now witnessing a period of decline. Key reasons are likely to …