Update from my front garden: it was indeed a family of blackbirds that was responsible for the nocturnal singing. Sadly, the truth revealed itself in the cruellest way possible: a dead chick on our doorstep.

This is the reality of urban living. The life-affirming melodies of birds are obliterated by the sound (noise?) of vehicles. This creates a divorce between the natural world and our metropolitan lifestyle. Still, London might count itself as a very lucky city when it comes to greenery and wildlife. Take a couple of Sundays ago. I was cycling west-to-east on the CS3 (cycle superhighway). Along the Thames…