Unusual sounds continue to be recorded behind my home.

This sounds like laughter in the rain recorded at at around 6:00 p.m.

Recorded the 20th of December, 2011.

Click here to listen to sound clip:  Voice 1 

Waveform view and spectral view of Voice 1

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A moaning vocal recorded also at around 6:00 p.m. the next evening.

Recorded the 21st of December, 2011.

Click here to listen to sound clip:  Voice 2 

Waveform view and spectral view of Voice 2

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A sad vocal recorded at 3:15 in the afternoon.

Recorded the 23rd of December, 2011.

Click here to listen to sound clip:  Voice 3 

Waveform view and spectral view of Voice 3

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And at 9:00 in the evening.

Recorded the 23rd of December, 2011

Click here to listen to sound clip:  Voice 4

Waveform view and spectral view of Voice 4