“What is remarkable about the starlings’ behaviour is that, despite all
appearances, there is no choreographer and, as far as we know, no
leader. Each individual bird is just following local rules. The numbers
of individual birds in these flocks can run into thousands, yet they
almost literally never collide. That is just as well for, given the
speed at which they fly, any such impact would severely injure them.
Often the whole flock seems to behave as a single individual, wheeling
and turning as one. It can look as though the separate flocks are moving
through each other in opposite directions, maintaining their coherence
intact as separate flocks. This makes it seem almost miraculous, but
actually the flocks are at different distances from the camera and do
not literally move through each other. It adds to the aesthetic pleasure
that the edges of the flocks are so sharply defined. They don’t peter
off gradually, but come to an abrupt boundary. The density of the birds
just inside the boundary is no less than in the middle of the flock,
while it is zero outside the boundary.”
Richard Dawkins, “The Greatest Show on Earth”
Uskomattoman kaunis Dylan Winterin video tuhansien lintujen koreografisesta kuohusta taivaankaarella:
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