Sumatran orang-utan  (Pongo abelii)

Species information

Videos and images

Authentication

Authenticated (09/01/04) by Martha Lorenz, 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.

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. Burnie, D. (2001) Animal. Dorling Kindersley, London.
  6. Animal Diversity Web (July, 2002)
    http://animaldiversity.ummz.umich.edu/accounts/pongo/p._pygmaeus$narrative.html
  7. Lorenz, M. (2004) Pers. Comm.
  8. Yarrow Robertson, J.M. and van Schaik, C.P. (2001) Causal factors underlying the dramatic decline of the Sumatran orang-utan. Oryx, 35: 26 - 38.