Animal Behavior & CognitionbioRxivPreprint
Supra-regular recursion in primate vocal sequences
Remo Nitschke, Lothar Sebastian Krapp, Chundra Cathcart…·Balthasar Bickel
This study shows nonhuman primates use supra-regular recursive grammars in vocal sequences, challenging the idea that syntax is unique to humans.
DOI 10.64898/2026.09.19.752870