Chris Packham presents the barn owl.
Miranda Krestovnikoff presents the story and sound of the barn owl.
London restaurant owner Cyrus Todiwala on the ring-necked parakeet for Tweet of the Day.
Author James Henry recalls the little owl for Tweet of the Day.
Kate Humble presents the little owl.
Miranda Krestovnikoff tracks down Britain's smallest resident owl in a Wiltshire village.
Lionel Kelleway is on a nocturnal owl prowl in Somerset. Presented by Chris Packham.
Writer Paul Evans has an unnerving encounter with a barn owl in this Halloween tale.
Peter Cranswick of the Slimbridge Wetland Centre on the red-breasted goose.
Chris Packham presents the red-breasted goose in Siberia.
How invasive is the ring-necked parakeet?
David Attenborough presents the ring-necked parakeet.
Tara Robinson describes an unexpected barn owl encounter in her own back garden.
Alison Steadman asks how it should be decided what makes a British bird.
Alison Steadman tells how a parakeet became a British bird.
John Aitchison presents the white-fronted goose.