You can tell how close penguins are to each other by how similar their voices are.
Penguins can adapt their voices to sound like their friends
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For Creative Minds - Sylvan Dell Publishing
Università di Torino on The Conversation
Penguins adapt their accents to sound more like their friends
Highlight, take notes, and search in the book In this edition, page numbers are just like the physical edition
Why Penguins Communicate: The Evolution of Visual and Vocal Signals
Animal Instincts: Not What You Think They Are
Voice – Notícias, Pesquisa e Análise – The Conversation – página 1
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