REZUS, makaki bangoli (Masasa tshaia), maymuni biniborikest aa jinsi makakuo. Darozii tanash qarib 60 santimetr, dumash 25—30 santimetr; rangash zardi sabztobi tira, ruyu gush va panjahoyash gulobirang, pinahoi surinash surkhtob ast. Dar beshahoi Osiyoi Janubi Sharqi, nimjazirai Hinduston, Himoloy (az Nepal to Birmai Shimoli) gala-gala shuda dar boloi darakhtho zindagi meku-nand. Dar ob khele khub shino karda metavonad. Rezusro dar tajribahoi tibbi va biologi istifoda mebarand.