Starling is one of our commonest birds, but the species' winter pre-roost gatherings create unforgettable twisting and turning shapes in the air as they manoeuvre. These movements are called murmurations and are one of Britain's greatest wildlife spectacles. Sam Viles details 10 of the best in the country for you to see.
Once a ubiquitous bird of Britain's gardens, found in town and country alike, Common Starling is one of Britain's fastest-declining species. Kevin Middleton at the RSPB Centre for Conservation Science looks at the numbers and asks what might be driving the fall.