0:06
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Canary Whistle, synthetic bird sounds and calls, tweeting with variations in pitch (5).
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0:08
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Canary Whistle, synthetic bird sounds and calls, tweeting with variations in pitch (4).
Please enable Javscript
0:06
Please enable Javscript
Canary Whistle, synthetic bird sounds and calls, tweeting with variations in pitch (3).
Please enable Javscript
0:07
Please enable Javscript
Canary Whistle, synthetic bird sounds and calls, tweeting with variations in pitch (2).
Please enable Javscript
0:06
Please enable Javscript
Canary Whistle, synthetic bird sounds and calls, tweeting with variations in pitch (1).
Please enable Javscript