Why does a pigeon bob its head when it walks? New research reveals all. Pigeon bots do that strange little thing where they thrust their head forwards... | By Pigeons Aren't Real
![SPYSCAPE on Twitter: "For centuries pigeons have been used by intelligence agencies, from the Romans to the early 20th C & today where the CIA employs secret pigeon missions. Pigeon-like drones are SPYSCAPE on Twitter: "For centuries pigeons have been used by intelligence agencies, from the Romans to the early 20th C & today where the CIA employs secret pigeon missions. Pigeon-like drones are](https://pbs.twimg.com/media/Dx2VEFIX0AA9lOE.jpg)
SPYSCAPE on Twitter: "For centuries pigeons have been used by intelligence agencies, from the Romans to the early 20th C & today where the CIA employs secret pigeon missions. Pigeon-like drones are
![The Spy Museum on Twitter: "The first UAV...an early drone (a camera strapped to a pigeon) on display @IntlSpyMuseum #InternationalDroneDay https://t.co/DHimNU3Igq https://t.co/XIEe0xKPEc" / Twitter The Spy Museum on Twitter: "The first UAV...an early drone (a camera strapped to a pigeon) on display @IntlSpyMuseum #InternationalDroneDay https://t.co/DHimNU3Igq https://t.co/XIEe0xKPEc" / Twitter](https://pbs.twimg.com/media/Dccex_NX4AIzPLA.jpg)