Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.

Trish Khan, the Milwaukee County Zoo's curator of primates and small mammals, has worked at the zoo for more than 30 years, and in that time, methods for naming animals have changed. "It used to be a ...

You can add marmoset monkeys to the list of species that use “names.” But whether animals have anything more to say remains unknown. Do animals have names? According to the poet T.S. Eliot, cats have ...