Some people in Britain hate grey squirrels enough to devour them. With the UK’s biggest purveyor of fried chicken in crisis, perhaps we should be cooking up our furry feral friendsne cold Sunday morning last month, I visited Pow Hill, a glorious moorland thick with pine trees that overlooks the Derwent reservoir, north-west of Durham. In a clearing, three amateur wildlife photographers, in full camouflage gear, sat on plastic bags and watched a red squirrel race across the bracken. As I watched the little fella leap from log to tree, the sunlight dancing across its tail, naturally my thoughts turned...