Iolo Williams find rats, foxes and tawny owls living on the street. Also a heron partial to sausages, crows taking an IQ test and the best-fed swans in Wales.
Iolo Williams finds badgers on a midnight feast and bird's nests in drain pipes, road signs and on traffic lights. Fox cubs play on a garden wall, and hedgehogs visit an amazing garden.
Iolo Williams seeks the wild side of towns and finds birds and animals that have adapted to life on the street.
Iolo Williams finds spiders that bite, a bird fighting a car, rare red squirrels on a housing estate, and wagtails having a good night's sleep on a busy city centre roundabout.