(Hardback, Revised Edition)

It is no longer possible to take wild birds out of their environment. For this reason, it is our duty to strive to perpetuate those species bred in captivity. Apart from the satisfaction derived from 'cultivating' mutations, breeders also have a responsibility to preserve original species of pure, mutation-free wild phenotypes.

(Paperback, Revised Edition)

It is no longer possible to take wild birds out of their environment. For this reason, it is our duty to strive to perpetuate those species bred in captivity. Apart from the satisfaction derived from 'cultivating' mutations, breeders also have a responsibility to preserve original species of pure, mutation-free wild phenotypes.