A flock of starlings flies over Lake Leman on an autumn morning in the Lavaux near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over the vineyards of the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over Lake Leman and the vineyards of the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over Lake Leman and the vineyards of the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





A flock of starlings flies over the Lavaux on an autumn morning near Grandvaux, Switzerland October 20, 2016. (Photo by Denis Balibouse/Reuters)





Flocks of wading and sea birds fly over the coastline as seasonal high tides force them off their feeding grounds closer to shore near Snettisham in Norfolk, Britain, October 20, 2016. (Photo by Toby Melville/Reuters)





Flocks of wading and sea birds fly over the coastline as seasonal high tides force them off their feeding grounds closer to shore near Snettisham in Norfolk, Britain, October 20, 2016. (Photo by Toby Melville/Reuters)





Bird watchers view huge flocks of wading and sea birds flying over the coastline as seasonal high tides force them off their feeding grounds and to move closer to shore near Snettisham in Norfolk, Britain, October 20, 2016. (Photo by Toby Melville/Reuters)





Bird watchers view huge flocks of wading and sea birds flying over the coastline as seasonal high tides force them off their feeding grounds and to move closer to shore near Snettisham in Norfolk, Britain, October 20, 2016. (Photo by Toby Melville/Reuters)





Flocks of wading and sea birds pass in front of the moon as they fly over the coastline as seasonal high tides force them off their feeding grounds closer to shore near Snettisham in Norfolk, Britain, October 20, 2016. (Photo by Toby Melville/Reuters)