BBC Video 2002
A BBC Worldwide production 2005
Narrated by David Attenborough
Produced by Leslie Jaye Goff 2007
Written by Leslie Jaye Goff and Eva Gladek
A BBC Worldwide production 2009
BBC Worldwide 2002
Written and presented by David Attenborough
Produced by Bebe Nixon 2001
A BBC Worldwide Production 2006
Narrated by David Attenborough
Written and directed by Werner Herzog 2005
