Humans are the only species on Earth known to use language. They do this by combining sounds into words and words into ...

A new study shows that chimpanzees drum with regular rhythm when they beat on tree trunks. Previous research has shown that ...

Chimpanzees combine hoots, calls and grunts to convey far more concepts than with single sounds alone. It may be a first among nonhuman animals.

Monk parakeets in Barcelona use more varied calls in larger groups. Females produce more call types, indicating social ...