Bob Jarman discusses declines in some well-known bird species. They used to be regular visitors to my garden bird feeder. Last year they were common across the city, so where are all the chaffinches? Local birdwatcher and expert on woodland birds Richard Broughton said: “I surveyed 230 hectares of local woodland in Cambs and counted zero chaffinches. In the same week 10 years ago I counted 36 singing males.” A recent breeding bird survey in the Thetford Forest recorded only one chaffinch and it should be a common bird. Our city chaffinches seem to have disappeared too, and I’m not the only Cam…