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Re: [Phys-L] Why are birds similar to airplanes? and Re: [PHYSHARE] Why do birds congregate on the utility wires near the poles?

This has been on object of study by bird behaviorists.

On Nov 3, 2012, at 9:25 PM, Bernard Cleyet wrote:

On 2012, Nov 03, , at 15:30, Alexander Ruper wrote:

But they are very equally spaced and facing the same direction in general
(probably due to the wind). But why the very regular spacing, even when
one is missing? Then the space is about doubled. You big guys wade in.
watch and keep my ignorance under wraps for a while.

Larry Brown

Read at end, tho not necessarily authoritative.

In a message dated 11/3/2012 2:18:29 P.M. Central Daylight Time,
geepaw@WOWWAY.COM writes:

There is less sway in the line the closer one is to the pole.

My 2 cents worth


Gate Keeper's reason.

The physics of wires and wind:


Birds that sit on power lines almost always face the direction of oncoming wind. Birds have an easier time taking off and landing facing the wind.
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Joseph J. Bellina, Jr. Ph.D.
Emeritus Professor of Physics
Northern Indiana Science, Mathematics, and Engineering Collaborative