Bornean orang-utan  (Pongo pygmaeus)

Authentication

Information authenticated by Martha Lorenz of the Orangutan Foundation.
http://www.orangutan.org.uk

Glossary

Arboreal: Living in trees.
Sexually dimorphic: When males and females of the same species differ in appearance.
Subspecies: A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.

References

  1. IUCN Red List (September, 2007)
    http://www.iucnredlist.org
  2. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
  3. CITES (July, 2002)
    http://www.cites.org
  4. Gunung Palung Orang-utan Project (July, 2002)
    http://www.fas.harvard.edu/~gporang/
  5. Animal Diversity Web (July, 2002)
    http://animaldiversity.ummz.umich.edu/accounts/pongo/p._pygmaeus$narrative.html
  6. Burnie, D. (2001) Animal. Dorling Kindersley, London.
  7. Lorenz, M. (2004) Pers. Comm.
  8. WWF Threatened Species Accounts (July, 2002)
    http://www.panda.org/about_wwf/what_we_do/species/what_we_do/flagship_species/great_apes/orangutan/index.cfm
  9. Van Schaik, C.P., Monk, K.A. and Yarrow Robertson, J.M. (2001) Dramatic decline in orang-utan numbers in the Leuser Ecosystem, Northern Sumatra. Oryx, 35 (1): 14 - 25.