Episode 4 – Plight of the Pigeon
Roman Columbarium
Cher Ami: hero pigeon of World War I 
Now extinct, the passenger pigeon once ruled the skies
A pigeon mosaic from Israel
One of many breeds of fancy pigeons
You can find more pictures of fancy pigeons at the American Pigeon Museum
A wild rock dove/pigeon
Melbourne’s failed $70,000 pigeon coop
A German pigeon photographer