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This is Scientific American 60-Second Science. I'm Sabrina Imbler. Got a minute?

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To our knowledge, there's no correlation between a man's singing ability and his care and attentiveness as a father.

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But any Pavarotti among the nightingales will serenade his mate while she sits on her eggs.

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And after they hatch he will visit the nest about 16 times each hour to feed their offspring.

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Because, among nightingales at least, the best singers also make the best fathers.

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So finds a study in the journal BMC Evolutionary Biology.

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Some 80 percent of birds practice biparental care, meaning both the male and female rear their offspring together.

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So it's crucial for a female bird to pick as a mate the most promising father, both genetically and behaviorally.

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Female birds look for signs of fitness that range from the flamboyant plumage of the peacock to the bizarre dances of birds of paradise.

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And for nightingales, it's the most elaborate song that apparently wins the day.

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The average male has some 180 tunes in his repertoire.

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These avian Sinatras vocalize highly variable song types including buzzes, whistles and trills.

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And such virtuoso singing seems to signal the female that this is a guy she can count on.

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That is, when it's time to help raise the kids, he's not a flight risk.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sabrina Imbler.

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This is Scientific American 60-Second Science. I'm Sabrina Imbler. Got a minute?

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To our knowledge, there's no correlation between a man's singing ability and his care and attentiveness as a father.

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But any Pavarotti among the nightingales will serenade his mate while she sits on her eggs.

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And after they hatch he will visit the nest about 16 times each hour to feed their offspring.

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Because, among nightingales at least, the best singers also make the best fathers.

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So finds a study in the journal BMC Evolutionary Biology.

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Some 80 percent of birds practice biparental care, meaning both the male and female rear their offspring together.

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So it's crucial for a female bird to pick as a mate the most promising father, both genetically and behaviorally.

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Female birds look for signs of fitness that range from the flamboyant plumage of the peacock to the bizarre dances of birds of paradise.

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And for nightingales, it's the most elaborate song that apparently wins the day.

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The average male has some 180 tunes in his repertoire.

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These avian Sinatras vocalize highly variable song types including buzzes, whistles and trills.

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And such virtuoso singing seems to signal the female that this is a guy she can count on.

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That is, when it's time to help raise the kids, he's not a flight risk.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sabrina Imbler.

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