Max Planck Institute of Animal Behavior Collective Migration The Flack Flock The Flack Flock Dr. Ellen Aikens Postdoc eaikens@ab.mpg.de Iris Bontekoe IMPRS doctoral candidate ibontekoe@ab.mpg.de Yachang Cheng IMPRS doctoral candidate ycheng@ab.mpg.de Publication References Dr. Andrea Flack Group Leader +49 7531 94505 23 aflack@ab.mpg.de Google Scholar twitter Collective Migration Group Publication References