Dragoon pigeon
The Dragoon is a breed of fancy pigeon developed over many years of selective breeding. Dragoons, along with other varieties of domesticated pigeons, are all descendants of the wild rock dove. The Dragoon was one of the breeds used in the development of the Racing Homer.
A very old breed of British origin, referred to by Moore.
A similar looking pigeon is the Indian Gola, but the Gola has more mottled wings.