Baby boom: the endangered wildlife revival at Cambodia's Angkor Wat

Rampant poaching, habitat loss from logging, agriculture and dam building has stripped much wildlife from Cambodian rainforests

Globally, gibbons are one of the most threatened families of primates, while the pileated gibbon is listed as endangered

The melodic songs from families of endangered monkeys ring out over the jungle near Cambodia's Angkor Wat temple complex -- a sign of ecological rejuvenation decades after hunting decimated wildlife at the site.

Since Angkor Wat became a world heritage site in 1992, its jungle, which covers more than 6,500 hectares, has benefited from increased legal and physical protections.