Q 01/05
A) Java and Bali
B) Sulawesi and Borneo
C) Borneo and Sumatra
D) Sumatra and New Guinea
Answer · why
During the Pleistocene they ranged across Southeast Asia and southern China.
Q 02/05
A) Red ape of Borneo
B) Person of the forest
C) Old man of the trees
D) Long-armed climber
Answer · why
Orang is 'person' and hutan is 'forest'; the Malays used it for forest-dwelling humans before Westerners applied it to the ape.
Q 03/05
A) Pongo
B) Pan
C) Gorilla
D) Hylobates
Answer · why
The name comes from Andrew Battel's 16th-century account of two African 'monsters', Pongo and Engeco, which were probably gorillas.
Q 04/05
A) Four
B) Three
C) Five
D) Six
Answer · why
Bornean, Sumatran, and the Tapanuli orangutan, identified definitively in 2017.
Q 05/05
A) Sabangau, Borneo
B) Leuser Ecosystem, Sumatra
C) Batang Toru, Sumatra
D) Danum Valley, Sabah
Answer · why
Fewer than 800 survive, making it one of the most endangered great apes.
Play the full Orangutan Trivia quiz — scored, streaked, and passable to a friend.