Marc Anderson <>
Fri, 04 Oct 2013 00:23:13 +1000
From the recordings I've heard, bitterns usually make 3-6 single
'booms' about two seconds apart, then there is a longer pause before
repeating the call again. The data I've looked at indicates they
call repeatedly in the breeding season.|
Perhaps your bird flew to another area after the first call, or even
better, became distracted by a mate ...
Thanks Marc, that's two votes for bittern. Can anyone tell me if it's unusual
for a bittern to only call three times like that? The recording is a couple of
hours long, and there are no other similar calls in it.
Sent from my iPad
On 3 Oct 2013, at 7:23 pm, "Marc Anderson"
I have a look at the spectrograph and listened a few times on headphones and it
definitely sounds like a distant Australasian Bittern.
Well done on getting this recording, I've been trying to track them down the
last few weeks and didn't hear any booms in the Riverina area nor in the
Hawkesbury swamps in Sydney.
P +61 (0) 430 072 299
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