Welcome to the world of the Manx Shearwater, the great secret of the Pembrokeshire islands. Nocturnal and mysterious, Dream Island has over 100 thousand of them.
They are normally almost impossible to see, but not only will we see them, we will also join the scientists using the latest hi tech field equipment to get to the bottom of the mystery still surrounding much of their behaviour.
More top news
Andrew Price joins South Wales Caving Club to venture into the deepest cave in the UK
Any drizzle this afternoon will subside to leave a largely dry evening. Clearer skies in the north overnight.
Police were called to several Tesco stores in Wales to deal with chaos at midnight. Huge numbers hunted for bargains in shops and online.