Yet another RFID

["el_supremo01" <>]

I have another sound I need identifying. These two horribly noisy 
clips were made at the north end of Brightwater Marsh (about 30km 
south of Saskatoon). There was a strong south wind blowing directly in 
my face and I didn't do a good job of trying to shield the microphone.
I am standing on the shore of the marsh and in front of me is an area 
of waterlogged fresh grass and old reeds which would not provide cover 
for a bird of any size. These strange chirps and croaks are apparently 
coming from the grass and reeds. 
Can someone ID them for me?
http://members.shaw.ca/digipete/6-clip.mp3
http://members.shaw.ca/digipete/7-clip.mp3

Thanks
Pete
Saskatoon, SK, Canada





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