a BBC Studios Natural History Unit production ; a co-production with BBC America, Tencent, WDR, France Televisions and CCTV9 ; a BBC Open University partnership ; executive producer, James Honeyborne ; series producer, Mark Brownlow ; producers, Miles Barton, Orla Doherty, Kathryn Jeffs, Will Ridgeon, John Ruthven, Jonathan Smith
BBC Earth ; narrated by David Attenborough ; producer, Tom Hugh-Jones ; series producer, Rupert Barrington ; a BBC/Discovery Channel/France Televisions/Open University co-production
created by Simon Fuller ; produced by John Downer and Simon Fuller ; directed by John Downer ; produced by XIX Entertainment and John Downer Productions for the BBC, the Discovery Channel and BBC Studios Distribution