| 31. | It is sometimes considered to be conspecific with the similar warbling vireo.
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| 32. | The song is a scratchy warbling with short whistling phrases.
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| 33. | Warbles are highly diverse and may function as vocal signatures.
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| 34. | The song is a series of trills and thin warbles.
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| 35. | As presently defined, the Rondonia warbling antbird is monotypic.
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| 36. | Cole warbling about " chestnuts roasting on an open fire ."
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| 37. | Monica Seles warbling bird calls _ the coo of the Serbian bronchital loon.
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| 38. | Together, the Three Countertenors warbled " O Sole Mio,"
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| 39. | Puncturing the stillness, cats warble and dogs croon.
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| 40. | As flute music warbled, we had lobster souffle Nantua and tournedos bearnaise.
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