But then there are the pigeons of Egypt. Above is the Crested Frillback Pigeon. Its feathers are twisted and turned round.
This is a black English Longface Tumbler
Egypt, too, has pigeon houses
This is a Englilsh Longface Tumbler
This is a Jacobin Pigeon. Some people raise these birds as a hobby while others try to do it for a living. I am including a video which I found fascinating.