Crossword Genius

It has Javan and Sumatran varieties

Ross

I believe the answer is:

rhino

(Other definitions for rhino that I've seen before include "Hi, Ron, this animal is abbreviated" , "Cash" , "one still charges in Africa" , "endangered creature" , "Horned pachyderm" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.