Meet Tira, an unusual zebra foal born in Kenya in 2019 with a rare genetic mutation causing her to have spots instead of stripes
(thelemmy.club)
The controversy has always been: Is a Zebra white with black stripes, or black with white stripes? Most people would say it's the first one, but since the mutation affected it by turning the white stripes into spots, this seems to indicate that the second one is correct.