Taxa named by Carl Linnaeus in all BBC programmes
Alasdair Grubb describes how a blue tit seemingly cried out for his help.
Rower and Olympic gold medallist Alex Gregory on the house sparrow for Tweet of the Day.
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.
Michael Palin presents the iconic bald eagle from Alaska.
Writer Amy Liptrot recalls her work as the RSPB Corncrake officer on Orkney.
Orcadian writer Amy Liptrot on the greylag goose, which is widespread on the islands.
Writer Amy Liptrot discussed how hooded crows in Berlin remind her of her youth.
Professor Andy Radford is captivated by the vocal repertoire of the robin.
Michaela Strachan presents the arctic skua.
Michael Palin presents the Asian koel's arrival to an Indian orchard.
Chris Packham presents the Atlantic canary singing in the Tenerife treetops.
Martin Hughes-Games presents the bar-tailed godwit.
Wildlife Sound Recordist, Chris Watson, presents the Bearded Tit.
Chris Packham presents the blackbird.
Bill Oddie presents the blackbird.
David Attenborough presents the sounds and story of the blackcap.
Kate Humble presents the black grouse.
Martin Hughes-Games presents the black-headed gull.
Sir David Attenborough presents the globally widespread but secretive black stork.