Eli5: How are birds able to sit on electric fences and wires and not get electrocuted?

Question

Eli5: How are birds able to sit on electric fences and wires and not get electrocuted?

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Answer 1

Electricity follows the path of least resistance to the ground.
a bird is more resisty than the rest of the wire, even before you add the insulation to make it more resisty.
When you touch the wire, your feet are touching the ground.
Rather than going all the rest of the way, with all the resistance that needs, your body is shorter path to the ground, and hence the path of least resistance is you. So you become the conductor and get electrocuted.