Alternate timeline
(covers information from an alternate timeline)
Data's "skunk" hair
The skunk was a quadruped mammal native to the planet Earth.
When Data, to give himself an "air of distinction", dyed a strand of his hair grey in an unknown, alternate future timeframe, his housekeeper Jessel was not happy about the change at all, believing that he looked "like a bloody skunk". (TNG: "All Good Things...")