ARIEF Rubinato is very much convinced that there are still Sumatran rhinoceros (Dicerorhinus sumatrensis) in the Way Kambas National Park, Lampung, even though his organization’s rhino patrol and tracking teams have not seen any for a long time. Even the camera traps, installed along routes commonly used by animals, have so far failed to capture an image of the solitary animal. “The rhinos changed their behavior. This affects our abil