Only Living Species of the Acinonyx Genus
Puzzle 7 of World of Illusion Hard Pack
Question is: Only Living Species of the Acinonyx Genus
and the answer is: CHEETAH
Word Meaning:
CHEETAH — (zoology) A distinctive member (Acinonyx jubatus) of the cat family, slightly smaller than the leopard, but with proportionately longer limbs and a smaller head; native to Africa and southeast Asia (where it is nearly extinct) and also credited with being the fastest terrestrial animal.
Definitions from Wiktionary.