You will also find an explanation of the law that limits the amount a physician can charge a Medicare beneficiary for covered services. But first, here are some basic facts about Medicare. The Two Parts of Medicare Medicare has two parts -- Hospital Insurance (Part A) and Supplementary Medical Insurance (Part B).
Many color mutations of Gouldian Finches have been bred. Mutation of body color influences the phenotype of head color. Inheritance of the mutations is the same as in naturally colored specimens. Therefore we may speak of red-headed green, blue or silver, even though phenotypically the coloring is different.
Pied cockatiels have patches of white and yellow on areas that are typically not those colors in other mutations. Pied patterns vary widely, but according to the National Cockatiel Society, it is preferred that they are 75 percent pied and 25 percent the color the bird would normally be (such as grey or cinnamon).