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
Well a fabulous day today has ended on a spectacularly soggy note for some! Heavy rain, hail and thunder will work northwards overnight!
The Talyllyn runs from Tywyn, near Aberdovey, for more than seven miles to two villages in the south Gwynedd countryside.
Homes in parts of Tonypandy and Llwynypia are without water this evening due to a burst water main at Cilfynydd.