Home > science, wtf > Schwarmverhalten


Walter de Back schrieb gerade über unsere Mailingliste:

Beautiful flocking display over the town of Utrecht. This is an annual event for these sparrows, that I had the privilege to witness many times.
If you look carefully, you may discern the hungry peregrine falcon — who may actually be the cause of the flocking behavior.


  1. March 7th, 2011 at 22:47 | #1

    unsere Mailingliste???

  1. No trackbacks yet.