On our recent survey for giraffe in the Tarangire Ecosystem, we came across a stunning, nearly white giraffe calf. This giraffe was not albino, but leucistic. Leucism is when some or all pigment cells (that make color) fail to develop during differentiation, so part or all of the body surface lacks cells capable of making pigment. One way to tell the difference between albino and leucistic animals is that albino individuals lack melanin everywhere, including in the eyes, so the resulting eye color is red from the underlying blood vessels.
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