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Dimorphic
A definition of the term "Dimorphic" and and explanation of how it pertains to certain bird species.

Display Behavior
A definition and description of display behavior in pet parrots.

DNA Sexing - Definition of DNA Sexing
Definition of the term "DNA Sexing" as it pertains to parrots and other pet birds.

Domestic
Definition of the term "domestic" and how it applies to pet birds.

Down Feathers
A description and explanation of down feathers and their function.