Slender lorises  (Loris tardigradus and Loris lydekkerianus)

Arboreal: Living in trees.
Endemic: A species or taxonomic group that is only found in one particular country or geographic area.
Natal: Site of birth.
Nocturnal: Active at night.
Oestrous: The time of ovulation (release of an egg from the ovary) in female mammals, when the female becomes receptive to males, also known as ‘heat'.
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.

1. IUCN Red List (November, 2004)
   http://www.redlist.org
   
2. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
   
3. Nekaris, K. and Jayewardene, J. (2003) Pilot study and Conservation Status of the Slender LorisLoris tardigradus and L. lydekkerianus in Sri Lanka. Primate Conservation, 19: 83 - 90.
   
4. Animal Diversity (January, 2004)
   http://animaldiversity.ummz.umich.edu/accounts/loris/l._tardigradus$narrative.html
   
5. Walker's Mammals of the World Encyclopedia (January, 2004)
   http://www.press.jhu.edu/books/walkers_mammals_of_the_world/primates/primates.lorisidae.loris.html
   
6. Status of South Asian Primates: Conservation Assessment and Management Plan (CAMP) Workshop 2003. Summary report available online (January, 2004)
   http://www.zooreach.org/Conservation/CAMP/Primate%20CAMP%20summary.pdf
   
7. Richardson, M. (2005) Pers. Comm.