Species range maps that use data from sources other than the IUCN Red List Eastern hoolock (Hoolock leuconedys)
The Eastern hoolock’s range has been revised based on: Lwin, N., Sukumal, N., & Savini, T. (2021). Modelling the conservation status of the threatened hoolock gibbon (genus Hoolock) over its range. Global Ecology and Conservation, 29, e01726.
Gaoligong hoolock (Hoolock tianxing)
The Gaoligong hoolock’s range has been revised based on: Lwin, N., Sukumal, N., & Savini, T. (2021). Modelling the conservation status of the threatened hoolock gibbon (genus Hoolock) over its range. Global Ecology and Conservation, 29, e01726.
Germain’s/Indochinese silvered langur (Trachypithecus germaini)
The species range provided is an edited version of the map in the IUCN Red List assessment, and excludes the areas east of the Mekong river.
Annamese langur (Trachypithecus margarita)
The range provided includes the portion of T. germaini range to the east of the Mekong river, combined with the range of T. margarita as given in the Red List.
Robinson’s banded langur (Presbytis robinsoni)
The range provided is an edited version of the P. femoralis range from the IUCN Red List, excluding the polygons overlapping Johor, Malaysia; Singapore; and Sumatra, Indonesia.
Shan states langur (Trachypithecus melamera)
The range has been digitized based on the figure from Roos et al. 2020.
Phayre’s leaf monkey (Trachypithecus phayrei)
The range has been digitized based on the figure from Roos et al. 2020.
Popa langur (Trachypithecus popa)
The range has been digitized based on the figure from Roos et al. 2020.
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