In mid-2017 Safe Haven published a guide to London's street trees - a sales and critical success whose first printing will sell out by Christmas. Now it follows up with a second quirky London guide in the same style - on where to watch birds in the capital. Predictably for such a beautifully green city, London is rich in bird life - and not just pigeons, gulls and parakeets. Its flagship wetland reserves at Barnes, Woodberry Down and Rainham offer everything from bitterns to avocets, marsh harriers to bar-tailed godwits. But the sharp-eyed can spot wonderful birds in more mundane London...