| 11. | "Songbird " ( Blix Street ) _ Eva Cassidy
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| 12. | During the summer the most common birds are raptors and songbirds.
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| 13. | They do not have the sophisticated vocal capabilities of the songbirds.
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| 14. | Dickcissels are thus among the few songbirds that are truly polygynous.
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| 15. | Forty percent of North American songbirds and waterbirds use this route.
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| 16. | The most abundant bird types include raptors, shorebirds and songbirds.
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| 17. | The rich variety of songbirds appeal to wildlife observers and photographers.
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| 18. | This songbird species belongs to the bulbul family ( Pycnonotidae ).
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| 19. | This gives the illusion of the video being " Songbird ).
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| 20. | Based on his work with songbirds, Nottebohm believes otherwise.
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