| 21. | Jenny Lind : there was a songbird who could carry a tune.
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| 22. | Among songbirds, the zebra finch is a one-hit wonder.
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| 23. | There have been four recoveries of our songbirds south of the border.
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| 24. | When songbirds chirp, trill and warble, we call it singing.
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| 25. | Ferro's Songbird last flew May 3, 1960.
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| 26. | You hear the sweet sound of songbirds on the windowsill.
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| 27. | We have to protect neotropical songbirds on both ends of their ranges.
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| 28. | Her album " Songbird " has gone platinum in England.
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| 29. | Whole clouds of songbirds rise from the hayfields and then settle again.
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| 30. | But the mycoplasma infection had never been found in songbirds.
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