Dark Budgerigar Mutation

The Dark budgerigar mutation is one of approximately 30 mutations affecting the colour of budgerigars. It is part of the genetic constitution of the following recognised varieties: Dark Green and Olive in the green series and Cobalt, Mauve and Violet in the blue series.

Read more about Dark Budgerigar Mutation:  Appearance, Historical Notes, Genetics

Famous quotes containing the word dark:

    As if
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    Denise Levertov (b. 1923)