First Deliverable:
Research boids algorithm.
Figure out how to extend it to 3D.
Figure out what animal to use... birds, bugs, cows, etc.
Maybe create some simple("ugly") wireframe simulation to fine-tune the algorithm.
Figure out if a pre-rendered Renderman video is best, or instead a GL rendered real-time interactive simulation. (fly around with the animals, choose their path, etc)

Second Deliverable:
Basic animation of the flocking animals

Final deliverable:
Finished animation of the flocking animals.
Scenery, lighting, shadows.
Moving camera capability.
Path designation for the animals.
Miscellaneous bells and whistles.  Food, bombs, etc.