This is my first test with flocking behaviour for an upcoming project. Its based on the pseudocode from:
vergenet.net/~conrad/boids/pseudocode.html

I also implemented (fake)HDR bloom and Lighting effects using GLSL shader. (fake because I could not get floating point textures to work for my FBOs, I will check out what the problem is)

This runs easily at 60FPS at HD resolution since I used vertex arrays and FBOs to enhance the performance.

EDIT:
For some reason vimeo distorted the ratio of height to width...weird.