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Uccelli e balene emettono suoni simili alla musica umana ma il cacatua delle palme è il solo animale a parte l’uomo a usare uno strumento (un bastone di legno) per produrre suoni ritmati. Lo riporta il periodico scientifico statunitense Science Advances.
Questo uccello tipico delle foreste dell’Australia utilizza pezzetti di legno che batte con una cadenza regolare contro il tronco degli alberi. Lo scopo è di sedurre le femmine.
I ricercatori hanno pazientemente lavorato per 7 anni per registrare le performance del cacatua, che è difficilmente avvicinabile. E’ emerso che ogni pappagallo ha il suo proprio stile nel battere i bastoncini. La specie è a rischio di estinzione a causa delle attività minerarie del Queensland.
Afp/mas
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