Twitcher in the Swamp
" 'These, as you can see, are conifers. Conifers,' he went on lovingly, 'which help Britain's balance of payments and beautify the scene. Those things over there are butterflies. Lots of them. You ought to be rejoicing. What is all the fuss about?' We were standing in a clearing in a large forest in the south of England. The speaker was an important forestry official."