cjacky 30/06/2008 00:15
Warbler ID,pls
May I have your help to ID this 4 Warblers please ?
The photo was taken at Hokaido, Japan @ 06-2008
wgeoff 30/06/2008 10:16
For me, the top 2 are Arctic Warblers and the bottom a Black-browed Reed Warbler.
The third one has an orange lower mandible, more like Eastern Crowned Warbler, but I think the underparts are not white enough so I think this is Arctic also.
[[i] Last edited by wgeoff at 30/06/2008 11:31 [/i]]
cjacky 30/06/2008 11:12
Hi Geoff,
Thanks for your help. :)
HFCheung 30/06/2008 15:12
I have doubt on the id of the 2nd and 3rd bird.
On the 2nd bird, the primary projection is clearly shorter than the tail (only about 1/3) from the wing tip. On Acrtic, the typical ratio is 1 to 1. Also the head is a shade darker. So I would guess Pale-legged/Sakhalin Leaf Warbler. In Japan, it would be Sakhalin. The little hook at the tip of the upper mandible is not a clear field-mark of Arctic.
On the 3rd bird, the lower mandbile is all orange. I understand that the lower mandible of Arctic is even darker than normal in the breeding season. So I would go for Eastern Crowned.
HF Cheung