Gunung Palung National Park's abundance of unique creatures—from orangutans to flying foxes to clouded leopards—offers a glimpse into Borneo's past. A female orangutan forages for ripe figs in the ...

For the first time, scientists have published a detailed report of adoption in these great apes. Rossa, pictured here at nearly 14 years old, adopted her younger sister Ronnie when Rossa was just 12.6 ...

Taxonomy, geographic variation, and population genetics of Bornean and Sumatran orangutans / Benoît Goossens ... [et al.] -- The functional significance of variation in jaw form in orangutans / Andrea ...