Photos: The world's critically endangered species Black rhino – Poachers and hunters are responsible for the early decline of black rhino population. Hide Caption 7 of 12 Photos: The world's critically endangered species Sumatran tiger – Sumatran tigers are the smallest surviving tiger species and are protected by law in Indonesia. Hide Caption 9 of 12 Photos: The world's critically endangered species Western lowland gorilla – Western lowland gorillas are critically endangered species. Hide Caption 10 of 12 Photos: The world's critically endangered species Yangtze finless porpoise – The population of Yangtze finless porpoises is declining rapidly. Hide Caption 11 of 12 Photos: The world's critically endangered species Sumatran rhino – Sumatran rhino populations are extremely threatened by poaching, the WWF says.

Source: CNN May 06, 2019 10:00 UTC