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Warbler identification in Thailand, Dec. 2019

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Old Friday 10th January 2020, 11:14   #1
noble-lite
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Warbler identification in Thailand, Dec. 2019

Hi - just been to Thailand with a group and there have been many discussions about warblers. The images may be from different photographers at different locations. Any identifications would be appreciated please. more to follow.
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Old Friday 10th January 2020, 11:17   #2
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3 Isn't a Warbler.......Flowerpecker?
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Old Friday 10th January 2020, 15:16   #3
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Without a location for each bird I fear you're on a hiding to nothing on a lot of these.
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Old Friday 10th January 2020, 16:52   #4
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1,2 and 4 are Phylloscopus warblers, image 4 might be a Yellow-browed Warbler?, would need profile images to advance the ID any further.

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Old Friday 10th January 2020, 17:38   #5
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4 seems to have a darker cap and could have a yellowish vent.. In that case add Eastern Crowned to the options please.

edit: i'd say it's not Eastern Crown, but one of 10 orso other double-striped leaf warblers in Thailand


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H

Last edited by HouseCrow : Friday 10th January 2020 at 21:13.
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Old Friday 10th January 2020, 18:48   #6
Joern Lehmhus
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3 Isn't a Warbler.......Flowerpecker?
Dont know what it is , but isnt 5 the same species?
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Old Friday 10th January 2020, 19:03   #7
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Two-barred Greenish for 1?
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Old Friday 10th January 2020, 21:14   #8
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Could you be more specific on the location?

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H

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Old Saturday 11th January 2020, 11:01   #9
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I think plain flowerpecker
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Old Saturday 11th January 2020, 15:00   #10
noble-lite
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Could you be more specific on the location?

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H
The images are mainly from north western Thailand.
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Old Saturday 11th January 2020, 16:56   #11
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1. I'm not sure this is Two-barred as per Andy's suggestion, as the greater covert bar extends a bit too far (almost to the edge of the wing) and the bill seems small and dark. On the other hand, it has a more elongated structure. Any more images?
2. Hume's (Mandelli's) Leaf Warbler? Seems too weakly marked for Yellow-browed, slight crownstripe.
3. Agree with James on Plain Flowerpecker.
4. Seems to be Yellow-browed Warbler.
5. Yellow-browed Tit?
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Old Sunday 12th January 2020, 00:34   #12
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I would edge towards Yellow-browed on 1, 2 and 4, although with fairly low confidence (especially on 2).
3 and 5 both look like Plain flowerpecker
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Old Sunday 12th January 2020, 00:53   #13
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Re no.1, the super looks a bit weak for Yellow-browed and the greater coverts are not dark-centered, although there's a hint of a dark shadow under the greater covert wingbar. Some YBWs do seem to have yellow on the wing-bend. I thought the structure was a bit elongated for YBW, but that could just be the image. Can I again request more images of this one?

No.2 seems poorly marked for Yellow-browed, as I said previously. It could just be in moult though - it seems to have dropped its tertials on its left side.

Re no.5, isn't there a hint of a crest to the rear of the head? And a slight super? I could be wrong.
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Old Sunday 12th January 2020, 01:10   #14
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Originally Posted by andyb39 View Post
Re no.5, isn't there a hint of a crest to the rear of the head? And a slight super? I could be wrong.
I believe both photos 3 and 5 show the very same individual, Andy. Note the branch is the same, as is the background. The bird just moved a bit between frames and is on an unfavourable angle on pic 5.
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Old Sunday 12th January 2020, 01:15   #15
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I believe both photos 3 and 5 show the very same individual, Andy. Note the branch is the same, as is the background. The bird just moved a bit between frames and is on an unfavourable angle on pic 5.
Ah yes, you're right, it seems. So Plain Flowerpecker.
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Old Sunday 12th January 2020, 01:49   #16
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Originally Posted by andyb39 View Post
Re no.1, the super looks a bit weak for Yellow-browed and the greater coverts are not dark-centered, although there's a hint of a dark shadow under the greater covert wingbar. Some YBWs do seem to have yellow on the wing-bend. I thought the structure was a bit elongated for YBW, but that could just be the image. Can I again request more images of this one?

No.2 seems poorly marked for Yellow-browed, as I said previously. It could just be in moult though - it seems to have dropped its tertials on its left side.

Re no.5, isn't there a hint of a crest to the rear of the head? And a slight super? I could be wrong.
Part of the problem is that all of the warblers are at terrible angles for ID. More photos of any of these birds would be useful, if available.

#1. I think this bird does have dark centres to the GC, but that these are not obvious at this angle. This is most apparent on the outer GC, which is at an angle slightly more towards the camera. There does also seem to be a contrasting paler fringe on the other GC. The bases of the secondaries looks darker than the rest (but again very hard to judge). It does look a bit elongated, but I think that's partly related to behaviour - I've seen Yellow-browed look like this plenty of times when searching for food.
Hume's could be an option here, and it does look a bit grey-toned, but the legs are paler than I'd expect for Hume's.
The other main candidate seems to be Two-barred, but the wing bars are very broad, the legs look a bit too pale, the bill seems a bit too small and the tail seems a bit too short.

#2. Pale-fringed tertials, dark bases to secondaries and dark centres to GC should put this in the Yellow-browed/Hume's complex. I did consider Chinese Leaf initially but that shouldn't have a the dark base to secondaries and I would expect a bit more of a crown stripe. I agree it doesn't look well-marked for Yellow-browed but personally I would say that the green tones and pale legs fit Yellow-browed better than Hume's/Mandelli's. It's an odd photo though, and doesn't immediately look like a Yellow-browed/Hume's.
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