orangutans
Great Big Story documents how International Animal Rescue rehabilitates orphaned orangutans in Borneo.
Zoos and animal welfare groups are urging consumers to pick treats made from palm oil-free or sustainable ingredients.
The 54-year-old Bornean orangutan was a mother of four and surrogate to two babies at Chicago's Brookfield Zoo.
WHAT'S HAPPENING
Researchers say they hope to develop games that the primates can play with humans.
