Iolo Williams seeks the wild side of towns and finds birds and animals that have adapted to life on the street. Show more

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. Show more

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. Show more

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. Show more