Happy, the elephant that gave researchers new information on how they behave, has been euthanized at the age of 55.

Happy, a Bronx Zoo elephant who gave researchers new insight into the animal's behavior and became the crux of a closely ...

Elephant societies respond to death in ways that look uncannily similar to our own reactions. Here’s why it has researchers describing them as “compassionate.” Wildlife researchers have, for decades, ...

Happy the elephant’s final goodbye leaves Bronx Zoo staff in tears - A Bronx Zoo elephant who gave researchers new insights ...