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pls id

MP, 22Mar. Are they all Eurasian Curlew? The one on the rightmost seems to have longer bill and the color on the back is quite different from others. Can it be Far Eastern Curlew?

looks good to be a far eastern ...

I agree that the bill looks fairly long, but the underparts look whitish, suggesting Eurasian, but I think it's difficult to be sure from this photo.
The two species are often very difficult to separate on the ground. If you saw the bird in flight and were sure that the back and underwing were dark, that would indicate Far Easern.

Thanks, John. From other photos taken when they are in flight, can't see any with dark underwings or back. Probably all are Eurasian Curlew this time.