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In honor of Koko we offer this reading list, along with a cute video.

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In 1985, two years after the book was published, Fossey was murdered, probably by poachers.

It was part of a long-term experiment by Herbert S. Terrace, a psychologist at Columbia University.

But when funding for the project ran out, Nim was isolated from humanity.

This complicated story plumbs the dark side of animal research, even when aimed toward teaching the animals.

It was adapted in 2011 into the acclaimed documentaryProject Nim.

The novel is narrated by Bruno Littlemore, the first chimp to gain full use of the English language.

What he does with it is up to you to find out.

(Hint: shelve under romance.)

Spoiler: the clue is a clump of orange fur.

Good Night, Gorillaby Peggy RathmannCurious George has nothing on this mischievous gorilla from Rathmanns childrens book.

Congoby Michael CrichtonThe author ofJurassic Parktackled a different aspect of the wild in his 1980 novel.

Amy whom Crichton based partly on Koko signs her way through the thriller.

We have two distinct film franchises to thank for it.

Somewhat controversially, he claims our social behavior falls somewhere between those extremes.

A rare example of reverse anthropomorphism.