The amount of breeding pairs of Cuban Amazons in britain probably stays really small. Some indication is given by members' data submitted towards the Breeding Sign-up of the Parrot Society. In 1992, a person member described breeding two young. In 1998 four members reported breeding a complete of ten young. https://amazon-bird-breeders-uk19876.mdkblog.com/45231559/the-definitive-guide-to-amazon-parrot-delivery-uk-wide