The boisterous songs a male zebra finch sings to his mate might not sound all that melodious to humans—some have compared them to squeaky dog toys—but the courtship tunes are stunningly complex, with thousands of variations. Now, a new study helps explain how the birds master such an impressive repertoire. As they learn from a tutor, usually their father, their brains tune out phrases they’ve already studied, allowing them to focus on unfamiliar sections bit by bit. The mechanism could help explain how other animals, including humans, learn complex skills, scientists say.
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