A cewar ƙamus na Turanci na Oxford, jimina babban tsuntsu ne wanda ba ya tashi a Afirka, yana da dogon wuya, dogayen ƙafafu, da ƙafafu biyu a kowace ƙafa. Shi ne mafi girman tsuntsu mai rai kuma yana iya kaiwa tsayin har zuwa ƙafa 9 (mita 2.7). Jimina ta shahara da irin nau’in tsiron da take da shi da kuma dabi’ar binne kansa a cikin rairayi, wanda a zahiri tatsuniya ce.