African Tribesmen Can Talk Birds Into Helping Them Find Honey (Published 2016)

The birds were twice as likely to offer sustained help to Yao foragers who walked along while playing recordings of the proper brrr-hmm signal than they were to participants with recordings of normal Yao words or the sounds of other animals. “The fact that the honeyguides were responding more to the specialized sound implies they recognize the specific information content in the signal,” Dr. Spott

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モザンビークの狩猟採集民とミツオシエはお互いを呼ぶための特別な音声をもっている。非飼育下の野生動物と人の協力の数少ない例なだけでなく、シグナルを相互理解してることをプレイバック実験で実証。Science掲載