Starling flock (Sturnus vulgaris) at sunset, with Marsh Harrier and Peregrine Falcon flying below the flock.

- Image ID: FB7JY8
Starling flock (Sturnus vulgaris) at sunset, with Marsh Harrier and Peregrine Falcon flying below the flock.
Andrew Bailey / Alamy Stock Photo
Image ID: FB7JY8
Starling flock (Sturnus vulgaris) at sunset, with Marsh Harrier (Circus aeruginosus) flying below the flock and peregrine falcon (Falco peregrinus) flying through the flock, grouping in the sky caused by presence of predators, with pink sunset colours, RSPB North Warren nature reserve, Suffolk, December 2011
Location: North Warren, Aldeburgh