... its that time of year again. The Geese are flying south again, honking as they go. I don't know why but I love that sound. I live in the bottom of a valley floor but can hear them and see them flying to where ever it is that they are off to. From a friends home up the valley wall a bit you can see across the whole valley. From there you can see many flights/chevrons of geese flying. To me its a magic feeling to see them all strung out in lines.
I know that there is plenty of high end aerodynamics going on with them... who is in front and for how long and the ones that follow follow at a precise angle and distance so as to maximize some lift potential created by the disturbance caused by the bird ahead. It seems also that since the lead bird is experiencing the maximum drag he/she stays there for some period of time, determined by them I suppose, then falls off to the back of the line to rest and to work their way back up to the lead again, amazing, magic.
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