orangutan smile

John Grehan jgrehan at SCIENCEBUFF.ORG
Thu Feb 12 11:24:32 CST 2004

I mentioned earlier on Taxacom that the closed-mouth smile appears to be
unique to humans and orangutans. After further communications with several
primatologists this characteristic appears to still hold true. I now have a
color picture of an orangutan with the smile at:

It is located at the bottom of the page under potential synapomorphies.

John Grehan

Dr. John Grehan
Director of Science and Collections
Buffalo Museum of Science
1020 Humboldt Parkway
Buffalo, New York 14211-1293
Voice 716-896-5200 x372
Fax 716-897-6723
jgrehan at sciencebuff.org

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