Siamang, Orangutan, Gorilla, Chimpanzee, Bonobo,
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Copyright  1999-2005 William H. Calvin. 

William H. Calvin 
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 ORANGUTAN The only great ape surviving in Asia.  Lives in both Sumatra and Borneo (now islands, but when sea level is low in an ice age, connected).  GO TO Gibbon, Siamang, Orangutan, Gorilla, Chimpanzee, Bonobo.  Return to Ape Themes.



Orangutan Orangutan

Students and teachers are welcome to borrow these low-resolution photos for non-commercial uses.  There is no need to ask permission, just  "Photo credit"   Right-click on an image and save it to disk.   Except as noted, all photographs are by William H. Calvin.


Seattle orangutans fact sheet.            San Diego Zoo orangutan and siamang fact sheets, webcam.

map by Dennis O'Neil    


Go to:  Gibbon, Siamang, Orangutan, Gorilla, Chimpanzee, Bonobo

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Books by
William H. Calvin



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William H. Calvin is a neurobiologist at the University of Washington in Seattle who wanders regularly into anthropology, evolution, and climate change.  He is the author of A Brain for All Seasons, winner of the Phi Beta Kappa 2002 Book Award for contributions to literature by scientists.


copyright 2005 by William H. Calvin

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