An all-Wales Avian Influenza Prevention Zone is introduced in Wales, requiring all keepers of poultry and other captive birds to practice good biosecurity and vigilance to protect their flocks. As the disease spreads among birds, a human case of the H5N1 virus has occured but the UK Health Security Agency says the risk to the public remains very low. We talk to the Head of the Science Department at the World Organisation for Animal Health about disease outbreaks and what we can do to control them. The National Trust "ramps up" its efforts to protect and enhance Nature. In a new 10 year strategy the Trust plans to create 25,000 hectares of of nature-rich landscapes. They're also asking people to pitch in by adopting a plot of land at “nature super sites” - including one in Eryri (Snowdonia).Greyhounds - our reporter Mariclare get exclusive access to the only greyhound race track in Wales that started running licensed races at the end of last year, as campaigners lobby the Welsh Government to ban it. and what? no Romans?! We hear about an archaeological mystery at Pendinas hillfort at Penparcau, near Aberystwyth, in Ceredigion.