Bronx Zoo elephant "Happy" strolls inside the zoo's Asia Habitat in New York, Oct. 2, 2018.
Bebeto Matthews/AP
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Bebeto Matthews/AP
Happy, a Bronx Zoo elephant who gave researchers new insight into the animal's behavior and became the crux of a closely watched animal rights case, has been euthanized at age 55.
Bronx Zoo elephant "Happy" strolls inside the zoo's Asia Habitat in New York, Oct. 2, 2018.
Bebeto Matthews/AP
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Bebeto Matthews/AP

A Bronx Zoo elephant who gave researchers new insights and became the crux of a closely watched animal rights case has died.

Happy gave researchers a breakthrough insight into elephant intelligence, and later found herself at the center of a landmark…

Happy gave researchers a breakthrough insight into elephant intelligence, and later found herself at the center of a landmark…

She passed a self-awareness test that almost no animal can. Then courts decided that wasn't enough to make her a person. She died…

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A Bronx Zoo elephant who gave researchers new insights and became the crux of a closely watched animal rights case has died