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Philosophy and the Nonhuman Rights Movement
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Chimpanzees Use Rhythmic Drumming to Communicate
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Chimpanzees Get Up Early for Best Breakfast
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Chimpanzees Using Leaves as Sponges
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Dipping for Ants
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Chimpanzee Eyes Demonstrate Empathy
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Chimpanzee Game Theory
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A ‘Dictionary’ of Chimpanzee Sign Language
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