In the mostly semi-evergreen Dong Phayayen – Khao Yai Forest Complex, they were recorded at low density at the turn of the century, with an estimated total of about 150 individuals.
Na zona principalmente semiperenne do Complexo forestal de Dong Phayayen - Khao Yai, rexistrouse unha densidade baixa no cambio de século, estimada en total en só uns 150 individuos.