|  | 41. | I don't think I've ever heard louder quacking than this. 
 
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|  | 42. | Quite obviously a duck quacking into a megaphone. 
 
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|  | 43. | This is a very loudly-quacking duck. 
 
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|  | 44. | Please . . . send me some earplugs, the quacking is killing me. 
 
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|  | 45. | "I'm too close to quacking up as it is," 
 
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|  | 46. | In the morning we heard the sound of ducks _ actually quite loud quacking ducks. 
 
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|  | 47. | I hear ducks quacking on the lake. 
 
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|  | 48. | Very loud quacking coming from this account. 
 
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|  | 49. | Very loud quacking coming from these account. 
 
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|  | 50. | Perhaps they are only quacking when you are nearby and posing a danger to them. 
 
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