David Attenborough series on the natural history of the polar regions; Attenborough appeared on screen and authored the final episode, in addition to performing voiceover duties. Attenborough introduced and narrated the Unit's first 4K production "Life Story." For "Planet Earth II" (2016), Attenborough returned as narrator and presenter, with the main theme music composed by Hans Zimmer. In October 2014, the corporation announced a trio of new one-off Attenborough documentaries as part of a raft of new natural history programmes. "Attenborough's Paradise Birds" and "Attenborough's Big Birds" was shown on BBC Two and "Waking Giants", which follows the discovery of giant dinosaur
David Attenborough named to honour "The Blue Planet", the TV documentary presented by Attenborough, and to recognise his contribution to promoting understanding of the oceanic environment. The same year, Attenborough was also commemorated in the name of the scarab beetle "Sylvicanthon attenboroughi". In 1973, he was invited to deliver the Royal Institution Christmas Lecture on "The Language of Animals". Attenborough's programmes have often included references to the impact of human society on the natural world. The last episode of "The Living Planet", for example, focuses almost entirely on humans' destruction of the environment and ways that it could be stopped or reversed.