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Beloved Elephant Happy Euthanized at Bronx Zoo
28 May
Summary
- Happy, an elephant known for self-awareness studies, was euthanized.
- The Bronx Zoo elephant was 55, surpassing the median life expectancy.
- Happy was central to a legal case seeking personhood for an elephant.

Happy, an Asian elephant renowned for her cognitive abilities and a key figure in animal rights advocacy, was euthanized at the Bronx Zoo at the age of 55. Zoo officials confirmed the decision was made due to age-related conditions, including declining kidney or liver function, arthritis, and inoperable uterine tumors. Happy had lived at the zoo for nearly 50 years and was instrumental in demonstrating elephants' self-awareness through mirror tests in 2005.
Her life became a focal point for the Nonhuman Rights Project, which sued the Bronx Zoo in 2018 seeking to declare Happy a legal person and move her to a sanctuary. The lawsuit argued she was unlawfully deprived of liberty. While New York's highest court rejected the claim, two judges expressed strong dissents, calling her captivity "inherently unjust and inhumane."
Happy's passing leaves Patty, aged 57, as the sole elephant in New York City's largest zoo. The Wildlife Conservation Society decided two decades ago to cease acquiring new elephants, reflecting a broader debate on urban zoo enclosures for large, social animals. The zoo is now carefully considering Patty's future, given her long residency.