Editing Pan (genus) (section)

===Chimpanzee vs. bonobo===
[[File:Bonobo 009.jpg|thumb|Bonobo]]
[[File:Pan troglodytes-female-TobuZoo2012.ogv|thumb|(video) Female chimpanzee at Tobu Zoo in [[Saitama Prefecture|Saitama]], Japan]]

Anatomical differences between the common chimpanzee and the [[bonobo]] are slight. Both are [[omnivores|omnivorous]] adapted to a mainly [[frugivorous]] [[diet (nutrition)|diet]].<ref name=Goodall1986>{{cite book |last=Goodall |first=J. |author-link=Jane Goodall |year=1986 |title=The Chimpanzees of Gombe: Patterns of Behavior |publisher=Belknap Press of Harvard University Press |isbn=978-0-674-11649-8 |url=https://archive.org/details/chimpanzeesofgom00good }}</ref><ref>{{cite web |last=Guernsey |first=P. |title=What do chimps eat? |url=http://www.allaboutwildlife.com/what-do-chimps-eat |work=All About Wildlife |access-date=April 22, 2013 |date=2009-07-04 |archive-date=November 18, 2019 |archive-url=https://web.archive.org/web/20191118084847/http://www.allaboutwildlife.com/what-do-chimps-eat |url-status=dead }}</ref> Yet sexual and social behaviours are markedly different. The common chimpanzee has a troop culture based on beta males led by an [[alpha male]], and highly complex social relationships. The bonobo, on the other hand, has [[egalitarian]], [[nonviolent]], [[matriarchal]], [[Animal sexual behaviour#Bonobo|sexually receptive behaviour]].<ref>{{cite web |url=http://www.bio.davidson.edu/people/vecase/Behavior/Spring2004/laird/Social%20Organization.htm |title=Social organization |author=Laird, C. |access-date=2008-03-10 |work=Davidson College |date=Spring 2004 |url-status=dead |archive-url= https://web.archive.org/web/20070209112721/http://www.bio.davidson.edu/people/vecase/Behavior/Spring2004/laird/Social%20Organization.htm |archive-date=February 9, 2007}}</ref> Bonobos frequently have sex, sometimes to help prevent and resolve conflicts. Different groups of chimpanzees also have different cultural behaviour with preferences for types of tools.<ref>{{cite web |url=http://www.janegoodall.com/chimp_central/chimpanzees/behavior/default.asp |title=Chimp behavior |access-date=2007-08-11 |publisher=Jane Goodall Institute |archive-url=https://web.archive.org/web/20070927045315/http://www.janegoodall.com/chimp_central/chimpanzees/behavior/default.asp |archive-date=September 27, 2007}}</ref> The common chimpanzee tends to display greater aggression than does the bonobo.<ref>{{Cite book |chapter-url=https://books.google.com/books?id=lDP4TPccgC8C&pg=PA30 |title=Our Inner Ape |chapter=Apes in the family |last=de Waal |first=F. |author-link=Frans de Waal |isbn=978-1-59448-196-3 |year=2006 |publisher=Riverhead Books |location=New York |url=https://archive.org/details/isbn_9781594481963}}</ref> The average captive chimpanzee sleeps 9 hours and 42 minutes per day.<ref>{{cite magazine |last1=Holland |first1=J. S. |year=2011 |title=40 winks? |magazine=National Geographic |volume=220 |issue=1}}</ref>

Contrary to what the scientific name (''Pan'' ''[[Common chimpanzee|troglodytes]]'') may suggest, chimpanzees do not typically spend their time in caves, but there have been reports of some of them seeking refuge in caves because of the heat during daytime.<ref name="LiveScience">{{cite web |author=Choi, C. Q. |date=April 11, 2007 |url=http://www.livescience.com/1404-chimps-spotted-caves-early-humans.html |title=Chimps spotted using caves, like early humans |publisher=[[LiveScience]]}}</ref>