I could give you some Evil *Black* Tree Rats from hereabouts. Seriously, the black ones are the most common, and the other colours have kind of hybridized, so one gets black/grey red/grey red/black body/tail combinations, and I did once see one that was all black except for a white tip on its tail. (For the real white ETRs you have to go north a piece to Exeter.) There are very few solid-coloured ones except for the black ones -- the genes must be dominant as hell. :)
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