The yellowing of the leaves on the tree outside my window, my sightings of migrating birds, the cooler night-time temperatures have all been telling me for a couple of weeks that autumn is on its way, something the calendar will agree with tomorrow. But, for me, one of the true indicators is the arrival of the Turnstones, back from their breeding season in Greenland and northern Canada.

The five I spotted on the Ely embankment this morning still show some of their summer colouring but those chestnut feathers will soon disappear as the birds complete their moult into winter plumage. Welcome back, my little friends!