In Borneo, hunting emerges as a key threat to endangered orangutans
Humans target the apes for food, or to prevent them from raiding crops, scientists say
![orangutan mom and baby](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/02/021418_BB_orangutan_main.jpg?fit=860%2C460&ssl=1)
COUNT DOWN From 1999 to 2015, numbers of orangutans on the island of Borneo declined by nearly 150,000 individuals, a new study estimates.
Marc Ancrenaz