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Practice Speaking: Read Aloud
ID: #409
Long Songbirds 4
"It leaves us with a perplexing question,” says Garamszegi. 'What evolutionary forces drove some females to give up singing?" Before people believed that male sings and female listen, traditionally studies normally focus on male as they are more important in xx areas. After examined the family tree of songbird, at least two female sings for surviving reasons.
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it leaves us with a perplexing question says garamszegi what evolutionary forces drove some females to give up singing before people believed that male sings and female listen traditionally studies normally focus on male as they are more important in xx areas after examined the family tree of songbird, at least two female sings for surviving reasons
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