John Sparks / David Attenborough with mountain gorillas, on location during filming for BBC 'Life on Earth' series in Rwanda 1978

Huw Cordey / Sir David Attenborough recording voice over for BBC series, The Hunt. September 2015.

Neil Lucas / Sir David Attenborough riding Indian elephant during filming of 'Life of Mammals' for BBC tv, Thailand, 2002

Neil Lucas / Sir David Attenborough next to Blue whale skeleton during filming for 'Life of Mammals', 2002. Santa Barbara, USA

John Sparks / Sir David Attenborough with mountain gorillas on location for BBC series 'Life on Earth', Rwanda, Africa 1978

John Sparks / Sir David Attenborough with mountain gorillas, on location for BBC series 'Life on Earth', Rwanda, Africa 1978

Miles Barton / Sir David Attenborough holding Shingleback skink (Trachydosaurus rugosus / Tiliqua rugosa) on location for BBC series 'Life of Birds', Australia. 1997

Ben Osborne / Film crew film on location in South Georgia for BBC television series Life in the Freezer ,1992. Alastair Fothergill producer (left) and presenter Sir David Attenborough

Paul Williams / Sir David Attenborough with fossil hunter Chris Moore on location for BBC special 'Attenborough and the Sea Dragon', Lyme Regis, Dorset, UK, 2016

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough during filming of the BBC progamme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough during filming of the BBC progamme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough with fossil hunter Chris Moore on location for BBC special 'Attenborough and the Sea Dragon', Lyme Regis, Dorset, UK, 2016

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough and crew on location for the BBC programme 'Attenborough and the Sea Dragon'. Lyme Regis, Dorset, UK. 2016.

Paul Williams / Sir David Attenborough with fossil hunter Chris Moore and crew during filming for BBC special 'Attenborough and the Sea Dragon', Lyme Regis, Dorset, UK, 2016

Paul Williams / Sir David Attenborough with fossil hunter Chris Moore looking at the bones of a giant Ichthyosaur fossil whilst filming the BBC special 'Attenborough and the Sea Dragon', Lyme Regis, Dorset, U...

Michael Pitts / Sir David Attenborough and cameraman Michael Pitts next to Titan arum (Amorophallus titanum) flower, taken on location for BBC tv series Private Life of Plants, 1993

Pal Hermansen / Wildlife Photographer of the Year Award winner Michael 'Nick' Nichols, receiving his award from Sir David Attenborough at the 50th Anniversary awards ceremony, Natural History Museum, London. 21 Octob...

Michael Pitts / Sir David Attenborough, series producer Mike Salisbury and sound recordist Trevor Gosling on location for BBC Private Life of Plants (1995). Sir David is about to climb a tree, Costa Rica.

Doug Allan / David Attenborough (left) and Doug Allan filming in Svalbard, Norway, for BBC Life of Mammals series, summer, Freeze Frame book plate page 7

Mike Salisbury / Camerawoman Justine Evans filming presenter Sir David Attenborough in a canopy crane on location for BBC Natural History Unit series 'Life of Birds'. Venezuela, 1997

Miles Barton / Sir David Attenborough with Argus monitor (Varanus panoptes rubidus) standing on its hind legs when approached, Western Australia. November 2006, on location filming for BBC NHU series 'Life in Cold B...

Miles Barton / Sir David Attenborough observing Galapagos Giant tortoises (Geochelone nigra) mating in the shade of a tree, midday, Alcedo Crater, Isabela Is, Galapagos, May 2006, on location for filming for BBC NHU...

Miles Barton / Sir David Attenborough observing a male Oustalet's chameleon (Furcifer oustaleti) the largest chameleon in the world, Montagne D'Ambre, Madagascar, on location for filming of BBC NHU series 'Life in C...

James Brickell / Sir David Attenborough holding a Gidgee skink (Egernia stokesi) in Adelaide, South Australia whilst filming for BBC television series Life in Cold Blood. November 2006

James Brickell / Sir David Attenborough watching a Gidgee skink, (Egernia stokesi) performing a threat display in Adelaide, South Australia, whilst filming for BBC television series Life in Cold Blood. November 2006

James Brickell / Sir David Attenborough watching a Side blotched lizard (Uta stansburiana) on rock, Santa Nella, California, USA. For BBC television series "Life in Cold Blood", April 2006

James Brickell / Sir David Attenborough watching a Side blotched lizard (Uta stansburiana) on rock, Santa Nella, California, USA. For BBC television series "Life in Cold Blood", April 2006

James Brickell / Sir David Attenborough approaching a Mozambique Spitting Cobra (Naja mossambica) prior to having venom spat at his face, whilst filming for BBC television series Life in Cold Blood. Houdspruit, South...

Miles Barton / David Attenborough observing an Argus monitor lizard (Varanus panoptes rubidus) Western Australia, November 2006, on location for BBC NHU series 'Life in Cold Blood' This species of monitor rears up...

Miles Barton / David Attenborough observing an Argus monitor lizard (Varanus panoptes rubidus) Western Australia, November 2006, on location for BBC NHU series 'Life in Cold Blood' This species of monitor rears up...

Miles Barton / David Attenborough observing a Oustalet's chameleon (Furcifer oustaleti), Northern Madagascar, January 2007, on location for BBC NHU series 'Life in Cold Blood'

Mike Salisbury / David Attenborough talks to camera about gall wasps for BBC TV production of 'Life in the Undergrowth', while Producer Stephen Dunleavy looks on, Hungary, January 1980 Copyright J??f L. Szentp?ri

Mike Salisbury / Martin Dohrn films David Attenborough talking about butterfly migration for BBC TV production of 'Life in the Undergrowth', Peru, October 2004

Mike Salisbury / Martin Dohrn films David Attenborough talking about butterfly migration for BBC TV production of 'Life in the Undergrowth', Peru, October 2004

Mike Salisbury / Mike Salisbury and David Attenborough in discussion about a humming-bird hawk moth sequence for BBC TV production of 'Life in the Undergrowth', Central France. September 2005 Copyright Tom Clarke

Miles Barton / Life in Cold Blood BBC television series crew filming Sir David Attenborough with side blotched lizard (Uta stansburiana) Santa Nella, California, USA, April 2006

Miles Barton / Sir David Attenborough with side blotched lizard (Uta stansburiana) on rock, Santa Nella, California, USA. For BBC television series "Life in Cold Blood", April 2006

Miles Barton / Sir David Attenborough sitting with group of Giant Tortoises (Geochelone elephantopus) Galapagos. Filmed for BBC television series "Life in Cold Blood", May 2006

NEIL NIGHTINGALE / Sir David Attenborough with Sauropod dinosaur bones, on location for BBC television programme "Lost worlds, vanished lands", Niger, West Africa 1991

NEIL NIGHTINGALE / Sir David Attenborough in scuba diving equipment on location for BBC television series "Private Life of Plants", early 1990s. Heron Island, Great Barrier Reef, Australia

Huw Cordey / Sir David Attenborough on location with Meerkat / Suricate while filming for BBC NHU 'Life of Mammals' Southern Africa, 2000.