When I arrived home from work on Wednesday, there was a mass of gulls very high over my garden, each one gliding in its own little circles, creating overlapping, rotating patterns in the sky. You can just make out some of the flock here.
There are actually 94 gulls in this photo. Yup, I counted them (and they are a mix of Herring, Black-headed and Mediterranean for those who like to know these things). I reckon in…