Birds described in 1766 in all BBC programmes
Michael Palin presents the iconic bald eagle from Alaska.
Martin Hughes-Games presents the black-headed gull.
Steve Backshall presents the story and sound of the cirl bunting.
Clare Jones on the inspirational little egret for Tweet of the Day.
Thirteen-year-old Northern Ireland wildlife blogger Dara McAnulty on the hen harrier.
Bill Oddie presents the Egyptian goose.
David Attenborough presents the glossy ibis.
Liz Bonnin presents the greater racket-tailed drongo of South-East Asia.
Chris Packham presents the hen harrier.
Michael Palin presents the Venezuelan horned screamer
The Little Egret - Miranda Krestovnikoff narrates the story of the bird and its sound.
Michael Palin presents the red-eyed vireo from North America.
David Attenborough presents the North American red-winged blackbird.
Actor Samuel West remembers one of his proudest birdwatching moments for Tweet of the Day.
Brett Westwood presents the story and sound of the serin.
David Attenborough presents the sounds and story of the spotted crake.
David Attenborough presents the white-bearded manakin of tropical South America.
Singer Will Young on the woodland kingfisher for Tweet of the Day.