closeup of a rescued baby pigeon resting on a balcony. city wildlife and adaptation of birds to urban living. problem of pollution

adaptation animal avian baby balcony beak bird city cleaning coexistence contamination damage dove environment fauna feathers feces fledgling golub gray habitat hazard health hygiene infestation lifestyle nature nestling noise overpopulation peace pest pigeon pollution population problem rescue rescued resilience rock rooftop sanitation shelter squab street survival urban wildlife wings young