Alan Williams / Domestic pigeons (Columba livia) flock in flight over houses, Cheshire, UK, June.

Laurent Geslin / Rock dove / Feral pigeon (Columba livia) pair displaying, London, UK

Laurent Geslin / Rock dove / Feral pigeon (Columba livia) pair interacting, London, UK

Laurent Geslin / Rock dove / Feral pigeon (Columba livia) pair interacting, London, UK

Laurent Geslin / Man with a feral pigeon (Columba livia) on his shoulder. Trafalgar Square, London, UK

Laurent Geslin / Feral pigeon (Columba livia) on its nest with two chicks, above the streets of Geneva, Switzerland

Laurent Geslin / Feral pigeon (Columba livia) in flight, London, UK

Guy Edwardes / Feral Pigeon (Columba livia) drinking from Fonte Gaia (Fountain of Joy). Piazza del Campo, Sienna, Italy, September.

Terry Whittaker / 2020VISION / Man with Feral pigeon (Columba livia) perched on his head, Regents Park, London, England, UK, February

Terry Whittaker / 2020VISION / Feral pigeon (Columba livia) on ground, with people's feet in the background, South Bank, London, England, UK, September. Did you know? In the 16th Century England pigeon guano was the only source of...

Terry Whittaker / 2020VISION / Feral pigeons (Columba livia), Manchester, England, UK, January. Did you know? Pigeons only have 40 taste buds whereas humans have around 10,000.

Terry Whittaker / 2020VISION / Young woman feeding Feral pigeons (Columba livia), Manchester, England, UK, February. Model released.