Birdwatchers observe as murmurations of wading birds fly along the coastline of The Wash near Snettisham in east Britain, February 12, 2016. REUTERS/UNI PHOTO
Birdwatchers observe as murmurations of wading birds fly along the coastline of The Wash near Snettisham in east Britain, February 12, 2016. REUTERS/UNI PHOTO