(CNN) Across Southeast Asia, wild animals are being hunted out of existence to feed growing demand for bushmeat, according to conservationists.

Thomas Gray, science director with conservation group Wildlife Alliance, which operates in Cambodia, says that snares — simple traps made of wire and rope — have become the single biggest threat to ground-dwelling animals in Cambodia, Vietnam and Laos over the last decade.

Our forest rangers work tirelessly to protect some of the world’s most endangered animals in one of Southeast Asia’s last great rainforests.

Our forest rangers work tirelessly to protect some of the world’s most endangered animals in one of Southeast Asia’s last great rainforests.

Our forest rangers work tirelessly to protect some of the world’s most endangered animals in one of Southeast Asia’s last great rainforests.