Good list of species from this mornings Winter Bird Walk at Parc Slip including wood pigeon, robin, great tit, blue tit, coal tit, long tailed tit, magpie, raven, teal, mallard, moorhen, green woodpecker, chaffinch, wren, songthrush, blackbird, jay, goldfinch, dunnock, greenfinch and a cetti’s warbler heard in the reeds at the wader scrape.
Glamorgan Bird Club 
As far as I am aware this is the first record of Cetti’s Warbler at Parc Slip.
Yes it wasn’t on our species list here until today. Identified by Graham Holmes on the walk this morning.
There are no records of this species from Parc Slip on the MapMate database, either. Nice find by Graham.