A solitary animal, Javan rhinos don’t form social groups but live alone except when they mate or care for their young.

The last Javan rhino in Vietnam was poached in 2010, according to the World Wildlife Fund. The animal’s numbers have dwindled due to illegal poaching, habitat loss, food availability ...

Two species of rhinos are contenders for the title of rarest land mammal for different reasons. The Javan rhino is the “most threatened of the five rhino species” when it comes to poaching ...

Getting a precise count of the few Javan rhinos left is critical to making decisions about their conservation. The elusive nature of these animals, however, combined with political complexities, ...

The Indonesian government puts the Javan rhino’s current population at about 80 animals, with an average of three new calves added per year. Its past estimates, however, have counted rhinos that ...

Javan rhinos are threatened by the destruction of tropical forest habitat and poachers, he said. "Poaching of protected animals is a serious crime and is of international concern," Sani said.

A Javan rhino standing in a forest clearing (not the newly spotted rhino, Iris, described in the article). © Tobias Nowlan via Getty Here’s some good news to close ...

Then there are more than 6,000 black rhinos, which are slightly smaller animals whose three subspecies are critically endangered. In Asia, beyond the critically endangered Javan and Sumatran ...

The vaquita is the rarest animal in the world and the rarest marine ... title of rarest land mammal for different reasons.