Power lines form an unnatural barrier in the landscape and an obstacle for many species of animals. However, wild birds are the most affected by their presence. Flying birds are at risk of striking power lines that they do not notice in time. Birds of prey, in particular, like to use the 22 kV power poles as a resting place or to hunt for prey. But what happens when they connect two wires when they land? How can we prevent this and protect them?