File:Budgie Preening Its Feathers 001.JPG

Summary
Kingdom: Animalia Phylum:	Chordata Class: Aves Order: Psittaciformes Family: Psittacidae Subfamily: Psittacinae Tribe: Platycercini Genus: Melopsittacus Gould, 1840 Species: M. undulatus Binomial name: Melopsittacus undulatus

A budgerigar preening his feathers. The opposite of xanthochromism, a deficiency in or complete absence of yellow pigment, is known as axanthism - this bird had this label attached to it, yet it is unclear as to why as there is some yellow pigment to produce the unusual vibrant turquoise color. Date: 9 July 2005 Author: Slipperymonkey44 - I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.