they are not related to lemurs actually, but are a group by themselves.
Singapore has an incredible local biodiversity that many people don't realise at all. Have a look at these sites for a peek into the huge variety of life found here:
http://www.wildsingapore.per.sg/
http://habitatnews.nus.edu.sg/index.php
http://besgroup.blogspot.com
http://www.ecologyasia.com
http://www.davidtanphoto.com/
http://www.eart-h.com/
http://habitatnews.nus.edu.sg/guidebooks/
http://budak.blogs.com/the_annotated..._not_alon.html
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