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Do you mean more by numbers or more (i.e. different) species?
There are certainly fewer turnstones (they were always on the PoW pier), fewer lesser black-backed gulls, fewer terns (again possibly due to harbour 'developments'), fewer greenfinches (I've not seen one locally for years), fewer yellowhammers, skylarks and starlings. On the cliffs there are some ravens, peregrines and kestrels, the odd buzzard, and flocks of linnets, pipits, goldfinches and long-tailed tits, but no more than usual, some fulmar, but no nesting kittiwakes since the cliff fall, though I did spot a few visiting fieldfare the other day. Plenty wrens, blackbirds and robins about, dunnocks too, but I've not heard a song thrush in ages. Egrets, grey wagtails, pied wagtails, a rare kingfisher and the odd heron up the Barton path, but more mallards and moorhens.
So, for me, no more, and quite a lot fewer.