Editing Koko (gorilla) (section)

==Later life and death==
After Patterson's research with Koko was completed, the gorilla moved to a reserve in Woodside, California. At the reserve, Koko lived with another gorilla, [[Michael (gorilla)|Michael]], but he died in 2000. She then lived with another male gorilla, [[Ndume (gorilla)|Ndume]],<ref name="Hillix2004">{{Cite book |last1=Hillix |first1=William Allen |title=Animal Bodies, Human Minds: Ape, Dolphin, and Parrot Language Skills |last2=Rumbaugh |first2=Duane M. |date=January 2004 |publisher=[[Springer Science+Business Media]] |isbn=978-1-4419-3400-0 |editor-last=Tuttle |editor-first=Russell Howard |editor-link=Russell Tuttle |series=Developments in Primatology: Progress and Prospects |location=New York |pages=99–111 |chapter=Koko Fine Sign Gorilla |type=Print |doi=10.1007/978-1-4757-4512-2 |lccn=2003051306 |oclc=968642386 |s2cid=42284074}}</ref> until her death.

At the preserve, Koko also met and interacted with a variety of celebrities, including [[Robin Williams]], [[Fred Rogers]], [[Betty White]], [[William Shatner]], [[Flea (musician)|Flea]], [[Leonardo DiCaprio]], [[Peter Gabriel]], and [[Sting (musician)|Sting]].<ref name="FamousFans">{{Cite news |last=Bender |first=Kelli |date=June 21, 2018 |title=Robin Williams, Mister Rodgers, Leonardo DiCaprio and 5 More of Koko the Gorilla's Famous Fans |url=https://people.com/pets/koko-gorilla-robin-williams-celebrity-fans/ |url-status=live |archive-url=https://web.archive.org/web/20180624081122/https://people.com/pets/koko-gorilla-robin-williams-celebrity-fans/ |archive-date=June 24, 2018 |access-date=June 24, 2018 |work=[[People (magazine)|People]] |department=Pets (Zoo Animals) |issn=0093-7673}}</ref>

Koko died in her sleep during the morning of June 19, 2018, at the Gorilla Foundation's preserve in [[Woodside, California]], at the age of 46.<ref name="KokoPassing">{{Cite press release |title=The Gorilla Foundation is sad to announce the passing of our beloved Koko |date=June 20, 2018 |publisher=[[The Gorilla Foundation]] |url=https://www.koko.org/gorilla-foundation-sad-announce-passing-our-beloved-koko |quote=Following the article, the book Koko's Kitten was published and continues to be used in elementary schools worldwide. Her impact has been profound and what she has taught us about the emotional capacity of gorillas and their cognitive abilities will continue to shape the world. |access-date=June 24, 2018 |url-status=dead |archive-url=https://web.archive.org/web/20180624085628/https://www.koko.org/gorilla-foundation-sad-announce-passing-our-beloved-koko |archive-date=June 24, 2018 |author=<!--None listed.--> |type=Press release}}</ref><ref name="KokoDiesNYT">{{Cite news |last=Chokshi |first=Niraj |date=June 21, 2018 |title=Koko the Gorilla, Who Used Sign Language and Befriended Mr. Rogers, Dies at 46 |work=[[New York Times]] |department=U.S. |url=https://www.nytimes.com/2018/06/21/us/koko-gorilla-death-sign-language.html |url-status=live |access-date=June 24, 2018 |archive-url=https://archive.today/20180624073449/https://www.nytimes.com/2018/06/21/us/koko-gorilla-death-sign-language.html |archive-date=June 24, 2018 |issn=0362-4331 |eissn=1553-8095}}</ref> The Gorilla Foundation released a statement that "The impact has been profound and what she has taught us about the emotional capacity of gorillas and their cognitive abilities will continue to shape the world."<ref name="KokoPassing" /><ref name="RedrewTheLines">{{Cite news |last=Chappell |first=Bill |date=June 21, 2018 |title=Koko The Gorilla Dies; Redrew The Lines Of Animal-Human Communication |publisher=[[NPR]] |department=Remembrances |url=https://www.npr.org/2018/06/21/622160278/koko-the-gorilla-dies-redrew-the-lines-of-animal-human-communication |url-status=live |access-date=June 24, 2018 |archive-url=https://web.archive.org/web/20180624090255/https://www.npr.org/2018/06/21/622160278/koko-the-gorilla-dies-redrew-the-lines-of-animal-human-communication |archive-date=June 24, 2018}}</ref> Despite her comparatively old age, her death took staff members of the Gorilla Foundation by surprise.<ref>{{Cite news |last=Mcclatchy |first=Ap |date=June 22, 2018 |title=Koko, the gorilla whose sign language abilities changed our view of animal intelligence, dies at 46 |work=[[Twin Cities Pioneer Press]] |department=News (National & World) |url=https://www.twincities.com/2018/06/22/koko-the-gorilla-whose-sign-language-abilities-changed-our-view-of-animal-intelligence-dies-at-46-2/ |url-status=live |access-date=June 24, 2018 |archive-url=https://web.archive.org/web/20180624090900/https://www.twincities.com/2018/06/22/koko-the-gorilla-whose-sign-language-abilities-changed-our-view-of-animal-intelligence-dies-at-46-2/ |archive-date=June 24, 2018 |issn=0892-1083 |quote=Joy Chesbrough, the foundation's chief development officer, told ''The Times'' that Koko 'went peacefully' and that, despite her advanced age, her death was unexpected. Staff members were taking the loss hard, Chesbrough said.}}</ref> Ndume was transferred to the [[Cincinnati Zoo and Botanical Garden|Cincinnati Zoo]] after a lengthy legal battle.<ref>{{Cite web |last=Staff |first=WLWT Digital |date=June 14, 2019 |title=Silverback gorilla Ndume arrives at Cincinnati Zoo after months-long court battle |url=https://www.wlwt.com/article/silverback-gorilla-ndume-arrives-at-cincinnati-zoo-after-months-long-court-battle/28034245 |access-date=December 11, 2023 |website=WLWT |language=en}}</ref>