Birdwatchers watching the winter spectacle of a large starling murmuration from the sky tower that gives a view over the reedbeds, at Leighton Moss RSPB nature reserve

starling murmuration birdwatchers birdwatching leighton moss nature reserve rspb winter spectacle roosting sky tower phenomenon thousands birds clouds wonders reedbed habitat declines dusk wildlife phenomena murmurations congregate swirling masses aerial dance flock gregarious sturnus vulgaris people amazing wide shot outdoors camera phone cloudy flight fly mass pattern perform shifting aerial awesome sturnus swarm vulgaris wildlife