| Species | chimpanzee |
|---|---|
| Sex | female |
| Born | August 1959 Africa |
| Died | 2019 (aged 59–60) |
Sarah (full nameSarah Anne) (August 1959 – July 2019)[1] was anenculturated researchchimpanzee whose cognitive skills were documented in the 1983 bookThe Mind of an Ape, byDavid Premack and Ann James Premack.[2] Sarah was one of nine chimpanzees in David Premack's psychology laboratory in Pennsylvania. Sarah was born in Africa in 1959. She first worked in Missouri, then in Santa Barbara, and then Pennsylvania. She first was exposed to language token training in 1967.
Sarah, along with three other chimpanzees, were exposed to language token training. One of the chimpanzees failed to learn a single word, but Sarah, Elizabeth, and Peony were able toparse and also produce streams oftokens which obeyed agrammar.
She used a special board with plastic symbols to correctly parse various syntacticexpressions includingif-then-else. Sarah was even able to recognize colors and connect them with matching objects, a talent that Premack noted, doubting that apigeon could have.[2]
When the Premacks decided they no longer wanted to work with chimpanzees in 1987, Sarah was sent toSarah Boysen's Chimp Center at theOhio State University, where she lived and worked with other enculturated chimpanzees: Kermit, Darrell, Bobby, Sheba, Keeli, Ivy, Harper, and Emma. In January 2006, Sarah attacked a student, causing minor injuries.[3] The following month, the Chimp Center was closed and OSU sent the chimps to a private animal collection in Texas. Subsequently, the chimps were transferred to another chimpanzee sanctuary,Chimp Haven, in Louisiana. At Chimp Haven, Sarah was known for her blanket nesting techniques.[1] Her favorite treat wasM&M's.[4]
Sarah died in July 2019, just before her 60th birthday.[1][4]
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