Mao'er Shan is part of the Nanling mountains. The main ridge in the IBA runs from north-east to south-west, and the highest peak is at 2,142 m, which is also the highest point in southern China. The flora and fauna show vertical zonation. Forest cover in the IBA is about 68%, and agricultural land covers about 4%.
Non-bird biodiversity: Important plants include Tsuga tckekiangensis and Tsuga longibracteata. Animals include Andrias davidianus, Manis pentadactyla, Macaca thibetana, Moschus berezovskii, Viverra zibetha, Cervus unicolor and Felis temmincki.
BirdLife International (2022) Important Bird Areas factsheet: Mao'er Shan Nature Reserve. Downloaded from http://www.birdlife.org on 28/09/2022.