May 8th, 2009, 01:19 PM
Found an odd Chiffchaff sp this am in Cambridgeshire, phenotypically resembles Iberian but without the diagnostic song, a mixed singer? Or just a Common with the wrong song template and extreme plumage variation? Images and rubbish recordings here. Any opinions?
Last edited by Alex Lees; May 8th, 2009 at 03:33 PM.
May 8th, 2009, 04:06 PM
Probably pertinent to link Brian Small's scholarly diatribe on IbeChiffs......
May 8th, 2009, 06:44 PM
Interesting bird with an interesting song variation that I have not heard before but not outside the range of spanner Chiff in my opinion. I have some experience with Ibe Chiff (mainly in the hand in autumn although I have heard some out of range and have recently come back from Spain) and I think that the classic song is best represented by the Guernsey birding links from Brians article (but I don't have enough experience of natural variation). I can hear in what you recorded something similar to those Chiffs that almost seem as though they want to sing WW but just get out Chiff instead. I would expect an Iberian to be a lot more yellow with little golden streaks on the breast and a golden hue above. The first I saw in a net I mistook for a Firecrest due to the golden hue to give you an idea.
I'm not sure when we will get to the bottom of the vocalisations of the chiffchaff complex although I hope it is not too soon as they provide some good brainteasers.
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