Carta PAYBACK di Mondadori
Su Mondadori Store, con la tua carta PAYBACK ti premi ad ogni acquisto.
This is an updated 2019 version with upated info and more than 290 new illustrations.
It all started with the Normal (wild type) cockatiel. In the US we currently have fourteen (14) known mutations. Of these mutations, six (6) were established in the US.
All cockatiels, excluding the normal grey, are mutations.** **A mutation is defined as a spontaneous change in the genetic code. These changes have resulted in the color variations we now have today.
This ebook goes in detail and full color all of the Cockatiel Mutations in the US.
Scrivi una recensione per "Cockatiel Mutations"
Torna in cima
Leggi un estratto
dai un voto
