Safari herbivore (5)
(Other definitions for antelope that I've seen before include "Swift-running animal like deer" , "Such as a gnu or eland" , "One petal for this animal" , "horny beast!" , "Hoofed beast" .)
(Other definitions for rhino that I've seen before include "In brief, a large horned African animal" , "one still charges in Africa" , "Beastly type that could charge you" , "African/Asian ungulate" , "Dosh (slang)" .)