What is a pigeon thinking?
Has claimed the balcony rail. The lease was never discussed.
Your balcony is a cliff. Feral pigeons descend from rock doves that nested on ledges, and a concrete railing is a close enough match that the bird is not adapting to the city so much as recognising it.
They also navigate better than almost anything. Pigeons sense the earth's magnetic field and can find their way home from hundreds of kilometres away, which is precisely why moving one on does not work.
Try it on a real one
Three peeks a day, free. No account, nothing to install.