Male Campbell’s monkeys, in combining and altering their six basic alert calls (boom, hok, krak, krak-oo, kok-oo, and wak-oo), were deemed to exhibit sophisticated proto-syntax.
Male Campbell’s monkeys, in combining and altering their six basic alert calls (boom, hok, krak, krak-oo, kok-oo, and wak-oo), were deemed to exhibit sophisticated proto-syntax.