Are Rhinos Extinct 2024 Wikipedia. Javan rhinos are the most threatened of the five rhino species, with only around 76 individuals that live only in ujung kulon national park in java, indonesia. Javan rhinos are among the most endangered mammals in the world:
Sumatran rhinos are the smallest of the living rhinoceroses and the only asian rhino with two horns. This is a multiple step process.