Husky and hairy, with the flaming orange coloring of a bad dye job, the orangutan doesn’t look like the most agile of primates. But in fact these great apes, native to the jungles of Malaysia and ...

Young orangutans master the art of building intricate treetop nests not by instinct alone, but by closely watching their mothers and peers. Researchers tracking wild Sumatran orangutans over 17 years ...

A new study comparing wild and zoo-housed Sumatran orangutans reveals that life in a zoo significantly alters how orangutans interact with their environment. Researchers analyzed over 12,000 instances ...

Oklahoma City's two Sumatran orangutans will be leaving soon after the pair failed to mate. Elok and Negara, the male and female orangutans at the Oklahoma City Zoo's Great EscApe habitat, will be ...

Orangutans are considered semi-solitary great apes, meaning that they have their own individual ranges, and– with the exception of mothers and infants– spend lots of their days alone. However they ...