Orangutan conservation project, Indonesia – in pictures

Veterinarians of the Sumatran Orangutan Conservation Programme operate on an orangutan named Puyul, estimated to be about 40 years old, in Batu Mbelin, North Sumatra, Indonesia. Puyul broke his leg falling from a tree while being rescued by conservationists as he was roaming a rubber plantation too close to a village Photograph: Binsar Bakkara/AP

Puyul receives an intravenous drip during surgery Photograph: Binsar Bakkara/AP

Puyul is operated on at the surgery in Indonesia Photograph: Binsar Bakkara/AP

Puyul with a cast on his foot Photograph: Binsar Bakkara/AP

Veterinarians (from left) Andreas Messikommer and Yenni Saraswati, with conservationist Ian Singleton, near an x-ray of the injury sustained by Puyul Photograph: Binsar Bakkara/AP

Orphaned baby orangutans Septian and Seroja play inside a basket at the SOCP facility Photograph: Binsar Bakkara/AP

Marvel, a four-year-old orangutan who is having respiratory problems, is prepared for a surgery at the SOCP facility Photograph: Binsar Bakkara/AP

Veterinarian Yenni Saraswati plays with Marvel Photograph: Binsar Bakkara/AP

Marvel, whose left leg had to be amputated due to infections of the wounds caused by being chained up when he was kept as a pet, plays in a cage at a the SOCP facility Photograph: Binsar Bakkara/AP

Marvel is carried by a keeper at the SOCP facility Photograph: Binsar Bakkara/AP