Day 13.353: One of these gulls...

There were lots of gulls at the beach on Saturday. In groups:

and scattered around the beach:

If I'd have seen this view, I might not have noticed the odd one out, but it had already caught my eye as a few of them flew around briefly before landing on the sand:

I believe it's a Forster's tern. They are known to winter further north than other terns, so it's possible it may be here intentionally, or it may still be making its way south I suppose since the winter has not been too harsh yet. Here's a close-up: