Happy, Who Taught Researchers That Elephants Can Recognize Themselves, Is Euthanized at Bronx Zoo
The Asian elephant was put to sleep Tuesday at the zoo where she lived for almost a half-century. Zoo officials said some age-related conditions accelerated in recent weeks, and she showed signs of a falloff in kidney or liver function. A necropsy revealed arthritis and large, inoperable uterine tumors that are impossible to diagnose in …