Birds: Lesser Black-backed Gull photos

This beautiful adult Lesser Black-backed Gull was loafing near the lock in Phoenix this afternoon. I was trying out the new adapter I got for my camera on Ring-bills and Herrings when I spotted this guy towards the back. Here are some more shots:

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In comparison with a Herring Gull

I already had this bird on my year list but it was not nearly as good a look. I'm using a Nikon Coolpix 995, a Williamson adapter and a Pentax Spotting Scope. Still need to figure out how to get the image sharper. Maybe cleaning the lense every now and then would help...