Melbourne Zoo has had a day to forget after a beloved orangutan was euthanised hours after visitors were evacuated over fears a baboon had escaped its enclosure. Kiani, the 45-year-old Sumatran ...

Scientists have decoded the genome of the Sumatran rhinoceros - one of the most threatened mammals on Earth. Its genetic blueprint shows that populations have been in decline for a very long time.

The Sumatran rhino is down to fewer than 100 animals, including this female, Rosa The future of the critically endangered Sumatran rhino has been struck a blow, with the death of Malaysia's last male.

A new camera-trapping study in Indonesia’s Aceh province has identified an ample but struggling population of Sumatran tigers, lending fresh urgency to calls from conservationists for greater ...

Between 2023 and 2024, six species were observed using the arboreal bridges: the black Sumatran langur (Presbytis sumatrana), the macaque (Macaca nemestrina), the long-tailed macaque (Macaca ...