Alasdair Grubb describes how a blue tit seemingly cried out for his help.
Olympic gold medal-winning rower Alex Gregory on the white stork for Tweet of the Day.
A seasonal offering from Tweet of the Day for the Christmas period.
Bill Oddie presents the alpine swift.
Writer Amy Liptrot recalls her work as the RSPB Corncrake officer on Orkney.
Writer Amy Liptrot discusses how hooded crows in Berlin remind her of her youth.
Andy Clements is entranced by the song of the garden warbler.
Professor Andy Radford is captivated by the vocal repertoire of the robin.
Brett Westwood presents the aquatic warbler.
Michaela Strachan presents the arctic skua.
Trai Anfield and Brian Morrell witness huge flocks of barnacle geese at WWT Caerlaverock.
Martin Hughes-Games presents the barnacle goose.
Brett Westwood investigates our obsession with the song and folklore of the blackbird.
Chris Packham presents the blackbird.
Lionel Kelleway heads to Scotland to revel in blackbird song and its meanings. From 2002.
Bill Oddie presents the blackbird.
David Attenborough presents the sounds and story of the blackcap.
Chris Packham presents the blue tit.
Bonita Johnson recalls watching a pair of battling robins.
Wildlife sound recordist Chris Watson presents the brambling.
Brian Briggs, formerly of the band Stornoway, recalls the song of the chaffinch.
Former Stornoway band member Brian Briggs on the Manx shearwater for Tweet of the Day.
BirdLife International's Bruce Winney relives seeing red kites over Harrogate.
Iolo Williams discovers the difficulties birds face in order to stay alive.
Kate Humble presents the capercaillie.
Bill Oddie presents the Cetti's warbler.