If you want to deter nesting, do it before eggs appear—pigeons are persistent but can be discouraged with slanted surfaces, bird spikes, or netting. If you already have eggs, let the cycle finish unless health risks are severe.
Poor. Eggs often roll out, and nests can collapse under the weight of growing squabs. This isn’t necessarily a flaw; pigeons evolved to nest on rocky ledges, where a little “give” helps with drainage and ventilation. But on a balcony or window ledge, it can mean fallen eggs or chicks. pigeon nest
Pigeons love high, sheltered ledges with a roof overhead: building cornices, bridge trusses, attic eaves, air conditioner nooks, or dense ivy. They’re not picky but need flat-ish surfaces. If you want to deter nesting, do it