Humans not only recognize emotions on the faces of monkeys and apes but also unconsciously mimic those expressions.

Previous studies have shown that infant and juvenile non-human primates spontaneously mimic human facial gestures, such as tongue protrusion and lip smacking. In addition, humans and chimpanzees ...

Humans have practiced some form of yodeling since at least the 13th century, when Marco Polo encountered Tibetan monks on his travels who used the vocal technique for long-distance communication. It’s ...

Viral baby monkey’s new behavior sparks questions about imitation.

Long-tailed macaques given short videos were glued to scenes of fighting—especially when the combatants were monkeys they knew—mirroring the human draw to drama and familiar faces. Low-ranking ...

Researchers found that New World monkeys can produce extreme yodeling-like sounds by rapidly switching between their vocal folds (for low tones) and specialized vocal membranes (for high tones), ...