However, a frustrating aspect of rooftop solar panels is that birds, especially pigeons, like to sit on them or build their nests in and around them. Improving the security of solar panels against birds is simpler than you can imagine. if it’s just a case of birds sitting on your roof, or these are newly installed panels.In this case only solution is bird sprike, Bird spikes will only stop birds sitting on the peak of the roof, you will need more action to stop pigeons nesting.