Masyhud born in Sumatran , the fifth known to have been born in captivity ever . The critical endangered species is most threatened by poaching for its horns and destruction of its natural habitat . Indonesia is now the fifth country to have successfully bred the species in captivity . a dozen Sumatran rhinos remain in the world , making it the most endangered of all rhino species .
Masyhud born in Sumatran , the fifth known to have been born in captivity ever . Indonesia is now the fifth country to have successfully bred the species in captivity . a dozen Sumatran rhinos remain in the world , making it the most endangered of all rhino species .