While I have blogged about Agent Analyst before (see here), the Redlands Institute have created some movies showing a simulation of bird migration patterns. While the exact details are not abundant, it appears they where developed to learn and demonstrate concepts relating to linking agent-based models with a GIS. Specifically using the Agent Analyst toolkit with Tracking Analyst in ArcMap (as shown in the movie below):
While this movie shows a live model run:
Finally the movie below shows how one can visualize the results in ESRI's ArcGlobe.
More movies from the Redlands Institute on YouTube can be found here.