This is the first of what will hopefully a popular series highlighting different maps from and about different parts of the world. Enjoy.
http://maps.grida.no/go/graphic/orangutan-distribution-on-borneo-indonesia-malaysia for native orangutans and it correlates very closely with the above "deforestation map":http://maps.grida.no/go/graphic/extent-of-deforestation-in-borneo-1950-2005-and-projection-towards-2020.