How Birds Can Sit on Electric Wire
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how birds can sit on power lines
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why are birds safe sitting on an electric wire
Have you ever detected that birds sitting on power lines facing the same direction? I mean, they usually look like the picture above, do not they? But why?
Well, it's actually for the same reason that pilots prefer the wind up when landing.
how birds are staying on electrical wires?
why birds are sitting on power lines
how birds are staying on electrical wires?
WIND RESISTANCE: Because of the way birds are built - light at the back and heavy at the front - they are less resistant to the wind when flying in the wind. The same is true when birds sitting on electrical wire: they are all facing the wind to reduce wind resistance.
In addition, birds feathers are optimized for this direction of the airflow. If instead, they faced the opposite direction, their feathers would be floating in all directions. This is also why the gulls of a group at the beach on a windy day are facing the wind.
When the wind changes direction, the birds move with the wind, so that they always move in the wind and are always oriented in the same direction on the electrical wires.
But what happens when it's cold?
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how birds sit on power lines
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As you might have guessed, since the direction of the bird is based on the wind, most bird species will have to face randomly chosen directions.
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