Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, portrait, Berenty Private Reserve, southern Madagascar

Tui De Roy / Violet tailed sylph (Aglaiocercus coelestis) Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Tui De Roy / White bellied woodstar (Chaetocercus mulsant) three hovering around red flowers, Guango private reserve, Papallacta Valley, Andean Cloud Forest, East slope, Ecuador

Luiz Claudio Marigo / Wied's black tufted-ear marmoset (Callithrix kuhli) clinging to branch in mountainous Atlantic Rainforest of Serra Bonita Natural Private Heritage Reserve (RPPN Serra Bonita), municipality of Camacan,...

Nick Garbutt / Verreaux's sifaka lemur (Propithecus verreauxi) hanging in relaxed posture from a branch in the canopy, Berenty Private Reserve, southern Madagascar.

Nick Garbutt / Young Ring-tailed lemur (Lemur catta) 6-8 weeks, clinging to mother, Berenty Private Reserve, southern Madagascar, November

Nick Garbutt / Young Ring-tailed lemur (Lemur catta) 6-8 weeks, clinging to mother, Berenty Private Reserve, southern Madagascar, November

Ann & Steve Toon / Cheetah (Aconinyx jubatus) female in scrub habitat, Samara private game reserve, Karoo, South Africa, January 2011

Juergen Freund / Aerial view of coral cays and white sand bars surrounding Bugsuk Island, Farm 1 of Jewelmer pearl farm. This private island has been highly protected since the 1970's and is in pristine environmental...

Juergen Freund / Aerial view of coral cays and white sand bars surrounding Bugsuk Island, Farm 1 of Jewelmer pearl farm. This private island has been highly protected since the 1970's and is in pristine environmental...

Juergen Freund / Aerial view of private tropical island surrounded by a white sandy beach and coral reefs, note helipad on end of pier, Palawan, Philippines, May 2009.

Inaki Relanzon / Madagascar scops owl (Otus rutilus) perched, looking backwards, Berenty Private Reserve, South Madagascar.

Christophe Courteau / Old male African lion (Panthera leo) portrait, Sabi Sand Game Reserve, South Africa, June

Christophe Courteau / Large adult male Leopard (Panthera pardus) walking through the bush at night, Sabi Sand Private Game Reserve, South Africa, June

Christophe Courteau / Large adult male Leopard (Panthera pardus) walking through the bush at night, Sabi Sand Private Game Reserve, South Africa, June

Nick Garbutt / Ring-tailed Lemur (Lemur catta) sun basking at dawn. Berenty Private Reserve, southern Madagascar.

Nick Garbutt / Three Ring-tailed Lemurs (Lemur catta) sun basking at dawn. Berenty Private Reserve, southern Madagascar. (digitally stitched image)

Luiz Claudio Marigo / Brazil nut tree (Bertholletia excelsa) with an 8m circumference and 45m height, in the upland Amazon Rainforest at Cristalino Natural Private Patrimony Reserve, Alta Floresta, Mato Grosso State, Brazi...

Andy Rouse / Verreaux's sifaka (Propithecus verreauxi) running carrying baby, Berenty Private Reserve, Madagascar

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) mother carrying baby 'hopping' across open ground to reach new feeding area, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) feeding on leaves, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) head portrait, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) head portrait, Berenty Private Reserve, Madagascar, October

Anup Shah / Verreaux's sifaka (Propithecus verreauxi) mother carrying baby sitting on haunches, Berenty Private Reserve, Madagascar, October

Wild Wonders of Europe / Dörr / European brown bear (Ursus arctos) in tree, captive, Private Bear Park, near Brasov, Romania, October 2008

Wild Wonders of Europe / Dörr / European brown bear (Ursus arctos) in tree, captive, Private Bear Park, near Brasov, Romania, October 2008

Wild Wonders of Europe / Dörr / European brown bear (Ursus arctos) looking down from tree, captive, Private Bear Park, near Brasov, Romania, October 2008

Inaki Relanzon / Verreaux's Sifaka (Propithecus verreauxi verreauxi) 'dancing' as it crosses open ground, Berenty Private Reserve, south Madagascar, May

Fiona Rogers / Ring-tailed Lemur (Lemur catta) infant (less than 1 month) chasing tail of adult lemur. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) male greeting infant. Berenty Private Reserve, Madagascar. Oct 2008.

Fiona Rogers / Ring-tailed Lemur (Lemur catta) female carrying baby one her back, sitting and alert. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) male wrist-marking the tail, lip lared and ears back, during territorial confrontation. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) male scent marking. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) portrait. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) riding on her back. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) 'sunning' in the early morning light to warm themselves. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female carrying baby and scent marking. Berenty Private Reserve, Madagascar. Oct 2008.

Anup Shah / Ring-tailed Lemur (Lemur catta) female carrying infant less than one month on her back. Berenty Private Reserve, Madagascar. Oct 2008.

Inaki Relanzon / Ring-tailed lemur (Lemur catta) group sitting on ground, sunning in morning sun, Berenty private reserve, south Madagascar

Inaki Relanzon / Ring-tailed lemur (Lemur catta) feeding on fruit in tree, Berenty private reserve, south Madagascar

NEIL NIGHTINGALE / Producer Neil Nightingale and film crew filming David Attenborough on Ellesmere Island, Canada, presenter of BBC 'Private Life of Plants', 1994

Richard Du Toit / South African Giraffe (Giraffa giraffa giraffa) mother and young, Londolozi, Sabi-Sand Game Reserve, South Africa

Pete Oxford / Ring-tailed Lemur (Lemur catta) walking across open ground, vulnerable, Berenty Reserve, southern Madagascar

Pete Oxford / Verreaux's Sifaka (Propithecus verreauxi) hopping across open ground, vulnerable, Berenty Reserve, southern Madagascar

Pete Oxford / Ring-tailed lemur on forest floor {Lemur catta} Berenty Private Reserve Madagascar

Pete Oxford / Verreaux's Sifaka (Propithecus verreauxi) in Madagascar. Berenty Private Reserve.

Pete Oxford / Verreaux's Sifaka, Madagascar, Berenty Private Reserve.

Neil Lucas / Close-up detail of Titan Arum inflorescence, Sumatra

Richard Du Toit / African Lion (Panthera leo) adult male roaring at night, Sabi Sands Private Game Reserve, South Africa

Richard Du Toit / Leopard (Panthera pardus) mother and kitten, Sabi Sand Game Reserve South Africa

Richard Du Toit / Cape Buffalo (Syncerus caffer) adult female at water hole with aquatic plants on her head, Sabi Sands Private Game Reserve, South Africa

Neil Lucas / Tim Shepherd filming Royal Water Lilies in Brazil for the BBC series The Private Life of Plants in December 1993. Model released

Pete Oxford / Ring-tailed lemur with young. (Lemur catta) Madagascar Berenty private reserve

Pete Oxford / Ring tailed lemur. Madagascar, Berenty Private Reserve

Pete Oxford / Portrait of Ring tailed lemur (Lemur catta) Madagascar. Berenty Private Reserve.

Pete Oxford / White Fronted Brown Lemur. Madagascar, Berenty Private Reserve

Pete Oxford / Verreaux's sifaka running, Madagascar. Berenty Private Reserve.

Neil Lucas / Richard Ganniclifft filming bush fire in Western Australia, on location for BBC series 'Private Life of Plants' 1993

Pete Oxford / Verreaux's sifaka portrait {Propithecus verreauxi} Berenty Private Reserve, Madagascar

Tony Phelps / Warning sign explaining that rhino horns within reserve are poisoned and coloured. Private game reserve, near Ceres, Karoo, South Africa, November

Ann & Steve Toon / Devil's claw (Harpagophytum procumbens) fruit, Tswalu Kalahari private game reserve, Northern Cape, South Africa, January 2012

Ann & Steve Toon / Sociable weaver (Philetairus socius) looking up at mass nesting site, Tswalu Kalahari private game reserve, South Africa, January

Sue Flood / Swimming pool at Olarro, private lodge in Loita Hills, over Greater Masai Mara towards Tanzania, Kenya September 2011

Sue Flood / View from Little Olarro, private lodge in Loita Hills, Kenya, over Greater Masai Mara, looking towards Tanzania, Kenya September 2011

Sue Flood / View from Little Olarro, private lodge in Loita Hills, Kenya, over Greater Masai Mara, looking towards Tanzania, Kenya September 2011

Mark Carwardine / Ring-tailed lemur {Lemur catta} feeding on cactus, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Verreaux's sifaka {Propithecus verreauxi} Berenty Private Reserve, southern Madagascar, IUCN vulnerable species

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby on mother's back, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} feeding on cactus, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby suckling from mother, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} mother carrying baby on back, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} mother and baby with cactus, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} walking acroos ground, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby, portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} feeding on cactus, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} feeding in flowering tree, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Verreaux's sifaka {Propithecus verreauxi} lying on branch looking down, Berenty Private Reserve, southern Madagascar, IUCN vulnerable species

Mark Carwardine / Verreaux's sifaka {Propithecus verreauxi} Berenty Private Reserve, southern Madagascar, IUCN vulnerable species

Mark Carwardine / Ring-tailed lemur {Lemur catta} portrait, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} feeding in tree, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Red fronted brown lemur {Eulemur fulvus} Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} baby suckling from mother, Berenty Private Reserve, southern Madagascar

Mark Carwardine / Ring-tailed lemur {Lemur catta} mother carrying baby, Berenty Private Reserve, southern Madagascar

Ann & Steve Toon / Cheetah (Acinonyx jubatus) with cub, Phinda Private Game Reserve, Kwazulu Natal, South Africa