Starling flock (Sturnus vulgaris) at sunset, with peregrine falcon (Falco peregrinus) flying close to the flock.

- Image ID: FB7K1C
Andrew Bailey / Alamy Stock Photo
Image ID: FB7K1C
Starling flock (Sturnus vulgaris) at sunset, with peregrine falcon (Falco peregrinus) flying close to 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