After more than a decade of observation and recording, Dr. Julie Elie identified 11 distinct call types used by zebra finches, decoding both their meanings and the individual vocal signatures birds use to recognize each other. Machine learning helped organize the data; crucially, birds confused calls with similar meanings more than similar-sounding ones — showing they respond to content, not just sound.
(c) Petr Ganaj

Une chercheuse décode le vocabulaire complet du diamant mandarin

THE GUARDIAN

Après plus d’une décennie d’observations et d’enregistrements la chercheuse Julie Elie a identifié 11 types d’appels distincts chez le diamant mandarin et leurs significations. Les oiseaux confondent davantage les appels au sens proche que ceux au son similaire — preuve qu’ils traitent le contenu. L’apprentissage automatique a accéléré l’analyse.

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