| 41. | The toucan barbet can also produce clicking sounds.
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| 42. | A spring-loaded prostate tissue biopsy needle is then inserted into the prostate, making a clicking sound.
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| 43. | This " over-center " action produces a very distinctive clicking sound and a very crisp feel.
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| 44. | There's a clicking sound and some discomfort ."
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| 45. | But the clicking sounds held his interest.
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| 46. | Their distinctive song is a single, rising whistle, which is repeated and followed by three clicking sounds.
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| 47. | It only displays its yellow back wings in flight, when it also emits a loud clicking sound.
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| 48. | The phrase was then applied to other drives exhibiting a similar unusual clicking sound usually associated with failure.
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| 49. | In the song " The Lodge ", Haughm struck the deer skull to create an unusual clicking sound.
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| 50. | The researchers found that the whales emitted a series of very short directional clicking sounds at ultrasonic frequencies.
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