Wendy Erb has spent countless hours studying orangutans in Borneo's tropical peatland forests in order to learn how male Bornean orangutans (Pongo pygmaeus wurmbii) communicate. While doing so, she ...

An orangutan named Rakus hit a rough patch in the summer of 2022. Researchers heard a fight between male orangutans in the treetops of a rainforest in Sumatra, Indonesia; a day later, they spotted ...

When a wild orangutan leaves its mother after spending many years by her side, it has a mental catalog of almost 250 edible plants and animals, and the knowledge of how to acquire and process them. A ...

The new arrival, a male, is named Jambi -- after a city on the island of Sumatra, where his species is native. Born to the Zoo’s 31-year-old female Tua and 28-year-old male, Sugi, on June 26, the ...