Ah , that's too bad. This article mentions a correlation between pollution and loss-of-limbs in urban pigeons. They even mention it may due to human hair entan

Ah , that's too bad. This article mentions a correlation between pollution and loss-of-limbs in urban pigeons. They even mention it may due to human hair entanglement from hair salons as a primary culprit -- that seems far fetched to me, but who knows.[0] I tend to think that it's mostly just environmental entanglement, pigeons are pretty curious animals. [0]: https://www.birdspot.co.uk/bird-brain/why-do-so-many-urban-pigeons-have-missing-legs-or-feet https://www.birdspot.co.uk/bird-brain/why-do-so-many-urban-p...