A spectacular starling Murmuration over the Rio-Antirrio bridge, Greece

A few seconds in you can also see a peregrine, identified by @Alexander_Lees More about this video

This happened last month at my apartment here in Spain 🇪🇸 it’s a very strange sound to wake up to.

If I saw this live, I'd think the world is ending.

Treehugger: Experts aren’t exactly sure how, but a murmuration forms when one starling copies the behavior of its seven neighbors, and so on until the entire group moves as one. A roost is where they will rest as a group for the night. The name? The sound of thousands of wings...

Amazing that they don't (that I can see anyway) fly into the light pole or anything else.

I've often wondered which one single bird is the alpha that leads the flight.

What a cool word is 'murmuration'. The birds are pretty cool too.

I had an experience with this driving in Wyoming. A huge formation flew right at me. I expect a mass of birds would splatter against my windshield. Gratefully none did. Quite a sight.

There ya go. (Peregrine falcon) The fastest bird on the planet. The have good reason to stick together…