Kalmar "Genus Citellus" tana nufin rabe-raben haraji na squirrels na ƙasa, waɗanda ƙanana ne, rodents masu fashewa waɗanda na dangin Sciuridae ne. Halin Citellus ya haɗa da nau'ikan squirrels na ƙasa da yawa, irin su karen prairie, marmot mai launin rawaya, da siberian chipmunk. Wadannan dabbobin ana siffanta su da gajerun jikinsu, tarkace, wutsiyoyi masu kauri, da buhunan kunci, wadanda suke amfani da su wajen adana abinci. Ana samun su galibi a cikin ciyayi, ciyayi, da sauran buɗaɗɗen wuraren zama a cikin Arewacin Amurka, Turai, da Asiya.