Movie S2 from from Evangelista, Ray, Raja and Hedrick, 3D trajectories and network analyses of group behaviour within Chimney Swift flocks during approaches to the roost. Proc R Soc B 10.1098/rspb.2016.2602 from Three-dimensional trajectories and network analyses of group behaviour within chimney swift flocks during approaches to the roost

This movie shows the bird positions in a reconstructed flock from the perspective of one of the original recording cameras. The building outline was added in the 3D animation package used to produce the movie, but was not included in any analysis routines. Three individual birds are marked by color and also shown in the overhead view movie S3