Chris Packham and Michaela Strachan begin the deliberation of which nests will fledge before the end of the series. Plus a check-in with the progress of the graffiti artist who is painting a wildlife mural live on site at RSPB Arne in Dorset. Iolo Williams takes a dive into the secret lives of little owls and terns on the Dorset coast, while Megan McCubbin is in the heart of Glasgow at the botanical gardens, investigating the wildlife that resides along the river.