Starling Murmuration.

Murmuration refers to the phenomenon that results when hundreds, sometimes thousands, of starlings fly in swooping, intricately coordinated patterns through the sky. Starling Murmurations - What and Where?

We know a lot of factual information about the starling-its size and voice, where it lives, how it breeds and migrates-but what remains a mystery is how it flies in murmurations, or flocks, without colliding. This short film by Jan van IJken was shot in the Netherlands, and it captures the birds gathering at dusk, just about to start their "performance.""