Nguyen Van Thai, the Executive Director for Save Vietnam's Wildlife, uses a high frequency listening device to pick up a nearby pangolin's signal. One day earlier the nonprofit released thirty five pangolins into the wild, each one equipped with a GPS transmitter.

An apprehensive Pangolin considers leaving the box it has called home for the past two days. In April 2015, the nonprofit Save Vietnam's Wildlife released thirty five rehabilitated pangolins into South Vietnam's Cat Tien National Park.

Nguyen Van Thai, the Executive Director for Save Vietnam's Wildlife, attaches a hidden camera to a tree in a pangolin's territory. Pangolins are nocturnal and only live in dense jungle so finding one is the wild is notoriously difficult.

A fieldworker for Save Vietnam's Wildlife uses a high frequency listening device to pick up the signal of a nearby pangolin.

Lucky, a pangolin who owes his name to the fact that he was almost eaten seven years earlier, explores the entrance to his sanctuary at Save Vietnam's Wildlife. The nonprofit specializes in the rehabilitation of indigenous Vietnamese animals that were trafficked illegally like Lucky.

A fieldworker for Save Vietnam's Wildlife uses a high frequency listening device to pick up the signal of a transmitter attached to a Pangolin. The day before 35 Pangolins were released into this dense jungle in South Vietnam's Cat Tien National Park.

Lucky the pangolin sleeps inside his habitat at Save Vietnam's Wildlife (SVW), a nonprofit, based in Vietnam's Cúc Phương National Park. Despite the fact that the Pangolin is the most trafficked animal on Earth, only a handful of organizations are working to prevent its extinction.