In defence of pigeons
The Case for Pigeon-Watching - Atlas Obscura
A Pigeon Was Dyed. Then It Died. Now the Police Are Investigating. - The New York Times
Speckled Pigeon - eBird
Rock Pigeon | Celebrate Urban Birds
Whose coos are whose? The five types of pigeon you'll see in Britain - Country Life
Pigeon | bird | Britannica
Rock dove - Wikipedia
Pigeon Camera | International Spy Museum
Pigeons | RSPCA
45.019 fotos e imágenes de Pigeon - Getty Images
Pigeon Camera | International Spy Museum
Pigeon
Pigeon Care – AE James
Where are all the dead pigeons?
Belgian pigeon bought for $1.9 million by Chinese bidder 'Super Duper'
Pigeon – Wildlife Illinois
Pigeon - Incredible Facts, Pictures - AZ Animals
Sweet home Alabama: errant Gateshead pigeon takes diversion to US | Animals | The Guardian
Wood pigeon | bird | Britannica
Crested Pigeon - The Australian Museum
Pigeon DNA proves Darwin right | Nature
