Ma'anar ƙamus na "black squirrel" wani nau'i ne na squirrel mai launin baki. Black squirrel wani nau'in launi ne na Eastern Gray Squirrel (Sciurus carolinensis), wanda shine squirrel na yau da kullum da ake samu a gabashin Amurka da Kanada. An san su da baƙar fata na musamman, wanda ke haifar da maye gurbin kwayoyin halitta. Bakar squirrel ba nau'in squirrel daban ba ne, amma bambancin launin toka ne.