The first episode focuses on Galway City, where local resident and bird expert John Lusby sets out to track down the animals that roam the streets.
This edition of the programme focuses on the wildlife of Dublin, featuring footage of deer in Phoenix Park, hares at the airport and geese at the port.
Wildlife living in Cork, including grey herons searching for food in the English market, and pied wagtails that make nests among the city's Christmas lights.
The series concludes with a look at the wildlife of Belfast, including seals enjoying the sun in the harbour and a gathering of more than 40,000 starlings.