What feature definitively distinguishes a True Albino Ferret from a Dark-Eyed White (DEW)?
Answer
The eye color (Pink/Ruby Red vs. Dark)
The critical distinguishing factor between a true albino ferret and a Dark-Eyed White (DEW) ferret lies solely in the ocular pigmentation. A true albino must exhibit pink or ruby red eyes because it lacks pigment across its entire body, including the iris. Conversely, a DEW, while having a pure white body coat, possesses dark eyes, typically black or dark brown. The presence of any dark pigment in the eye immediately negates the classification of the animal as a true albino, regardless of how white the fur appears.

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