Hidden danger
They are here at last. I first heard them overhead and then I saw them high in the sky. The sand martins are back from Africa and by the excited twittering at every turn they seem pleased to be here and now hopefully our dreary wet weather is over. Twisting and turning they dive into the cliffs showing their sparkling white undersides. The holiday makers walked the sands with their dogs, perhaps unaware that above their heads in the soft clay cliffs a whole different and important world of nature was taking place as it always does. But not everyone who knows they are there welcomes them. There is another side to the story. The birds’ little tunnels in the soft clay make the already eroding cliffs more vulnerable to falling away into the sea. And now I have seen pictures of some cliffs with fine netting over them to stop the birds nesting. Where will the birds go now? And where did they go in our recent storm? It was hard to find any shelter. The waves were whipped up so high th