Another critically endangered species is considered extinct in one of its few remaining natural habitats due to human causes.
Humanity's racked up another ignominious honor; wild Sumatran rhinos in Malaysia are now deemed extinct.
The critically endangered species previously lived and roamed across large swathes of Southeast Asia.
But according to a study published in the journal Oryx, Sumatran rhinos have been going extinct due to human encroachment resulting in habitat loss, being poached for their horns and because populations