Happy, an Asian elephant at the Bronx Zoo, has been euthanized at age 55 due to age-related conditions and inoperable tumors. She was known for her participation in a 2005 study demonstrating elephant self-awareness through mirror recognition. Happy lived alone for the last 20 years of her life after her last companion died in 2006, a situation that drew the attention of animal rights activists who sought her release. AI
RANK_REASON News about the death of an animal and its associated legal/ethical debates, not a core AI development.
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