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I think it's a Whiskered Tern (non-breeding) but it definitely needs removing from here and putting in its own spotting. All this can be edit mode and when this is correct create a new spotting for the tern, which will have to be uploaded again.
The first photo is indeed a Black-headed Gull (Chroicocephalus ridibundus)
The second photos is a tern. i'm not sure what kind but please add it to another spotting because you have two different species in one "spotting"
Here is a picture which clearly shows how to differentiate between Black-headed and Brown-headed Gulls in non-breeding plumage.
http://www.pbase.com/image/133517751
Hi Rajendra, I have e-mailed you from Support regarding your mapping problem.
As far as small Gulls go there are only 2 options in that area, being Black-headed Gull and Brown-headed Gull, but the latter has a much thicker bill and is slightly larger. The similar Pallas's Gull is very much larger and has yellow bill and legs.
I have spotted these SeaGulls at Ujani Dam Back waters, Bhigwan, Pune-Solapur Road, Maharashtra. But i am not able to find it on Map. By default its Gujarat, India and I can't edit it. I don't know why?