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Mountain chiffchaff? Gilan. Iran lately. (1 Viewer)

alirezakiani

Well-known member
Iran
Hi
3 individuals on 3 different trees.
Calls matched, but because of its similarity to common chiffchaff(siberian), I became suspicious.
 

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Any idea?
Obviously a Chiffchaff, but the apparent brown tinge to the plumage is strange.

I agree this is often the base colour of the 'Caucasian' Mountain Chiffchaffs. However all the MCs I have seen have a very strong supercilium in front of the eye and meeting over the bill. These don't appear to have this feature at all.

Many of the MC have a 'vest' but this is more marked in the eastern birds in my experience.

It rings no bells as tristis either.

There are a few central Asian subspecies of Chiffchaff that are not well described in guidebooks. I am not convinced the photos are clear enough to attempt to assign to one of these.
 

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