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Schwarmverhalten

March 4th, 2011 1 comment

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.
http://www.youtube.com/watch?v=_tEFRAI9WSE&hd=1

Faszinierend!