WattaBird! Understanding the Peach-Faced LoveBirds Mutations (Part 1 of 3: Recessive Inheritance) Agapornis Roseicollis In order to understand the evolution of the mutations and combinations in the Peach-Faced African LoveBirds, we need to understand the three methods or patterns of inheritance. They are Recessive , Sex-Linked , and Factor . My research led me to different sites and posts, but I got the most interesting and most informative presentation of this topic from an article written by Rick Smith from Lakeview Terrace, California. The article is titled, The Peach-Faced LoveBirds, Agapornis Roseicollis and its Mutations which was featured in the AFA WatchBird magazine. “If You have any questions, suggestions, or topics to discuss please leave a comment below.” Let us start with the RECESSIVE inheritance. (This is Part 1 of 3) RECESSIVE INHERITANCE RECESSIVE inheritance in African LoveBirds requires both parents to have the recessive genes for the mutation to be seen