Noun
fox squirrel or grey squirrel in the black color phase
Source: WordNetCousin to our native red and grey (fox) squirrels, the black squirrel moved north some 25 years ago, escaping from their popular environs of Queen's Park in Toronto. Source: Internet
In fact I am more apt to see a black squirrel (though sometimes with a white-tipped tail) than a gray one. Source: Internet