Group of Birds Fly Simultaneously Away

Occurred in November, 2014 / Zaandam, Netherlands

Info from Licensor: "I was coming home from work riding my bike and I saw a group of birds flying over me and landed in the tree. At that moment, another group of birds flew out of the tree and when I looked closely, I saw that the whole tree was full of birds. I grabbed my phone and started filming. This happened in Zaandam the Netherlands. It was 4 o clock in the afternoon"