Photo, picture:
Star, grosse Schwaerme kreieren manchmal atemraubende Flugformationen am Abendhimmel - (Gemeiner Star - Foto Starenschwarm am Abendhimmel)
Starling, their swarm behaviour creates complex shapes silhouetted against the sky - (European Starling - Photo Starling swarm of birds)
Sturnus vulgaris

Gallery overview