Orangutans

http://en.wikipedia.org/wiki/Orangutan
http://www.orangutan.org/orangutan-facts
http://www.enchantedlearning.com/subjects/apes/orangutan/
http://www.torontozoo.com/explorethezoo/AnimalDetails.asp?pg=388
http://www.mirror.co.uk/lifestyle/travel/usa-long-haul/borneo-tanjung-puting-national-park-3101760
http://www.orangutan.com/
http://worldwildlife.org/species/sumatran-orangutan