Con Son giant squirrel

Ratufa bicolor condorensis is a subspecies of mammal endemic to Con Dao National Park. The black giant squirrel is one of the larger species of tree squirrels. It is characterized by its bi-colored fur: dark on its upper part and pale on its underside. They are commonly found in the forests of Cambodia, Lao PDR, Malaysia, Myanmar, Thailand, and Viet Nam. The subspecies Ratufa bicolor condorensis, however, is endemic to Con Dao National Park, an ASEAN Heritage Park in Viet Nam.

Source: https://www.thainationalparks.com/species/black-giant-squirrel