Anne Aulsebrook on Twitter: "Expectation: video record 8 pigeons for 3 nights while recording sleep with data loggers. Easy! Reality: #phdlife #ShouldHaveStudiedPlants https://t.co/1ZEt9JbIFC" / Twitter
Pigeon carrier hi-res stock photography and images - Alamy
When Pigeon Photographers Offered a Real-Life Bird's-Eye View of the World | Mental Floss
Pigeon Forge Webcams
photography, cameras, carrier pigeon camera, Germany, late 19th century, Munich City Museum, Photo Museum Stock Photo - Alamy