This video from Indonesia says about itself:
Read more here.
A new scientific publication from WCS (Wildlife Conservation Society) and the Bukit Barisan Selatan National Park Authority looks at the effectiveness of the park’s protection zone and finds that the density of Sumatran tigers has increased despite the continued threat of living in an ‘In Danger’ World Heritage Site: here.
A research expedition tracked endangered tigers through the Sumatran jungles for a year and found tigers are clinging to survival in low density populations. The study found that well-protected forests are disappearing and are increasingly fragmented: Of the habitat tigers rely on in Sumatra, 17 percent was deforested between 2000 to 2012 alone. Their findings have renewed fears about the possible extinction of the elusive predators: here.