Birds described in 1837 in all BBC programmes
Chris Packham presents the Indian cuckoo found across much of South East Asia.
Musician Fyfe Dangerfield uses his own birdsong recordings to experiment with music.
Miranda Krestovnikoff presents a bird which intrigued Darwin, the Galapagos mockingbird.
Miranda Krestovnikoff presents the virtuoso songster the pied butcherbird of Australia.
Chris Packham presents the vegetarian tree finch on the Galapagos Islands.