ELI5: Explain Like I'm 5

Solid white (chicken plumage)

Solid white chicken feathers (or plumage) means that the chicken is completely covered in feathers that are white - these white feathers help to make the chicken look more attractive and can help protect the chicken from predators or the elements. When a chicken is solid white, it means that all of its feathers are white and none of them are any other color like brown, gray, or black.
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