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

Bertie Gregory / 2020VISION / Adult male Peregrine falcon (Falco peregrinus) returning to his nest with Feral pigeon (Columba livia) prey, Bristol, England, UK, June.

Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus) in flight chasing his parent who has Feral pigeon (Columba livia) kill in claws, Bristol, England, UK, June.

Bertie Gregory / 2020VISION / Adult male Peregrine falcon (Falco peregrinus) food passing a Feral pigeon (Columba livia) to his offspring, Bristol, England, UK, June.

Paul D Stewart / 'Martha' the last passenger pigeon, (Ectopistes migratorius), who died Cincinnati Zoo, September 1st, 1914. This portrait of her published in March 1915 as the Frontispiece to William Hornaday's 'The...

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.

Paul Hobson / Feral Pigeon / Rock Dove (Columba livia) on city street. Sheffield, UK.

Bernard Castelein / Rock doves (Columba livia), sitting in front of typical wall paintings of Shekhawathi region, Shekhawathi, Rajasthan, India

Bernard Castelein / Rock dove (Columba livia), sitting in front of typical wall paintings of Shekhawathi region, Shekhawathi, Rajasthan, India