- Bengal Florican
- The Bengal Florican (Houbaropsis bengalensis) is a large grassland bird that is Critically Endangered with extinction, due to rapid habitat loss and hunting.
- Elephants
- WCS efforts to protect the Asian Elephant in Cambodia have centred on two conservation landscapes, the Eastern Plains of Mondulkiri Province and the Northern Plains of Preah Vihear Province
- Gibbons & Other Primates
- Nine of Cambodia's ten species of primates are Globally Threatened. Across the target landscapes, WCS and partner organisations are aiming to conserve loris, monkeys and gibbons which are threatened by habitat loss and direct persecution.
- Ibis & Other Waterbirds
- WCS has provided technical advice to the Royal Government of Cambodia (RGC) on the protection and monitoring of Ibis and other large-bodied waterbirds at two key sites, the Tonle Sap Great Lake and the Northern Plains.
- Sarus Crane
- Sarus Cranes were previously widely distributed across South and Southeast Asia, but have undergone rapid population declines due to widespread hunting, egg collection and habitat loss.
- Tigers
- WCS Tiger conservation activities in Cambodia centre on the Seima Protection Forest (SPF), a globally important area for biodiversity conservation located in Mondulkiri province in the east of Cambodia.
- Vultures
- Populations of three Vulture species, White-rumped Vulture (Gyps bengalensis), Slender-billed Vulture (Gyps tenuirostris) and the Red-headed Vulture (Sarcogyps calvus) have suffered large decreases across their range.