Stephen Hampton has been watching birds for more than 50 years, and for almost all of that time, he thought nothing of names like Townsend’s warbler or Anna’s hummingbird: “They were just the names in ...

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 ...