Sundaland, or the Sunda Shelf, represents the western part of the
Malesia (Raes and Van Welzen, 2009), which formed one continuous
landmass during the glacial maxima of the Quaternary as a result of
eustatic sea-levels that were 120 m lower than they are today
(Hanebuth et al., 2000; Cannon et al., 2009; Woodruff, 2010). Sundaland
is delimited by the Kangar–Pattani line in the North (Fig. 1) and by the
Merrill-Dickerson/Huxley line in the East. The latter runs between the
Philippines (incl. Palawan)/Sulawesi and Borneo, and between Bali
and Lombok (Raes and Van Welzen, 2009). To prevent model errors
caused by artificially defined political/geographical boundaries (Raes,
2012), we modelled the species in a wider geographical extent ranging
from11° South to 19° North, and between 92 and 127° East (see Fig. S13
for extent).