Deciduous: a plant that sheds its leaves at the end of the growing season.
Natal: site of birth.
Subspecies: a population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.
Wangchuk, T., Inouye, D.W. and Hare, M.P. (2003) A new subspecies of golden langur (Trachypithecus geei) from Bhutan. Folia Primatologica, 74 (2): 104 - 108.