Alex Hyde / Red fronted brown lemurs {Lemur fulvus rufus} drinking from pool, Kirindy forest, West Madagascar.

Alex Hyde / Close up of fore foot of Red fronted brown lemur {Lemur fulvus rufus}, Kirindy forest, West Madagascar

Alex Hyde / Indri (Indri indri) portrait, climbing tree, tropical rainforest, Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Indri (Indri indri) portrait, sitting in tree, tropical rainforest, Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Diademed Sifakas (Propithecus diadema diadema) family group with baby in tropical rainforest. Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Diademed Sifakas (Propithecus diadema diadema) family group with baby in tropical rainforest. Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

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)

Edwin Giesbers / Portrait of Red ruffed lemur (Varecia variegata ruber) Captive, Netherlands.

Edwin Giesbers / Sclater's black lemur (Eulemur macaco flavifrons) Captive, the Netherlands. Critically Endangered.

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

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

Inaki Relanzon / Eastern Grey Bamboo Lemur (Hapalemur griseus) feeding on bamboo shoot, Andasibe-Mantadia National Park, Madagascar, October

Inaki Relanzon / Eastern Grey Bamboo Lemur (Hapalemur griseus) feeding on bamboo shoot, Andasibe-Mantadia National Park, Madagascar, October

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.

Edwin Giesbers / Black and white ruffed lemur (Varecia variegata variegata) hanging from branch, Madagascar, captive

Edwin Giesbers / Diademed sifaka (Propithecus diadema diadema) jumping, captive, Madagascar

Edwin Giesbers / Diademed Sifaka (Propithecus diadema diadema) portrait, Madagascar, captive

Edwin Giesbers / Ring-tailed lemur (Lemur catta) with young, Berenty Reserve, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) running with young on back, Berenty Reserve, Madagascar

Edwin Giesbers / Ring-tailed lemur (Lemur catta) portrait, Berenty Reserve, Madagascar, Madagascar

Edwin Giesbers / Ring-tailed lemur (Lemur catta) portrait, Berenty Reserve, Madagascar

Edwin Giesbers / Diademed sifaka (Propithecus diadema diadema) looking down from tree, captive, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) running, Berenty Reserve, Madagascar

Edwin Giesbers / Black and white ruffed lemur (Varecia variegata variegata) portrait, captive, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) running with young on back, Berenty Reserve, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) sitting on the ground, Berenty Reserve, Madagascar

Edwin Giesbers / Red fronted brown lemur (Lemur fulvus rufus) Madagascar

Edwin Giesbers / White footed sportive lemur (Lepilemur leucopus) looking out from a hole in a tree, Berenty reserve, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) running, Berenty Reserve, Madagascar

Edwin Giesbers / Verreaux's sifaka (Propithecus verreauxi) jumping, Berenty Reserve, Madagascar

Edwin Giesbers / Two Verreaux's sifakas (Propithecus verreauxi) adults with a baby up trees, Berenty Reserve, Madagascar

Inaki Relanzon / Crowned lemur (Eulemur coronatus) female, Ankarana Special Reserve, Ambilobe, North Madagascar.

Inaki Relanzon / Golden crowned sifaka lemur (Propithecus tattersalli) reaching out to touch hands with man in tropical dry forest, Daraina, North Madagascar.

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) looking down from large spiney plant, Itampolo, South Madagascar

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

Nick Garbutt / Aye-aye (Daubentonia madagascariensis) extracting beetle grubs from wood. Endemic to Madagascar. Photographed under controlled conditions at Durrell Wildlife Conservation Trust, Jersey, UK. captive

Jouan & Rius / Female Verreaux's Sifaka (Propithecus verreauxi) and young, dry forest of Berenty reserve, South Madagascar

Jouan & Rius / Ring-tailed Lemur (Lemur catta) eating flower of E {Euphorbia sp}, dry forest of Berenty reserve, South Madagascar

Jouan & Rius / Hand of Ring-tailed Lemur (Lemur catta), dry forest of Berenty reserve, South Madagascar

Jouan & Rius / Female Verreaux's Sifaka (Propithecus verreauxi) supporting young on tree, dry forest of Berenty reserve, South Madagascar

Jouan & Rius / Diademed Sifaka (Propithecus diadema diadema) hand, tropical rainforest, Andasibe-Mantadia NP, Madagascar

Jouan & Rius / Two Verreaux's sifakas (Propithecus verreauxi) hanging from a branch, Nahampoana reserve, Madagascar South

Jouan & Rius / Diademed Sifaka (Propithecus diadema diadema) in tropical rainforest, Andasibe-Mantadia NP, Madagascar

Jouan & Rius / Two Verreaux's sifakas (Propithecus verreauxi) on trees, Nahampoana reserve, Madagascar South

Jouan & Rius / Black and white ruffed lemur (Varecia variegata variegata) portrait, tropical rainforest, Andasibe-Mantadia NP, Madagascar

Rod Williams / Ring-tailed lemur {Lemur catta} infant on adults back. Captive. Madagascar. Lemurs

LYNN M. STONE / Aye-aye {Daubentonia madagascariensis} captive, occurs Madagascar

LYNN M. STONE / Aye-aye portrait {Daubentonia madagascariensis} captive occurs Madagascar

John Waters / Ring-tailed lemur in tree {Lemur catta} Madagascar

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

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

Pete Oxford / Verreaux's Sifaka dancing, Madagascar

John Waters / John Downer Prod / Black lemur uses millipede secretions to ward off mosquitos and as a happy drug (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

LYNN M. STONE / Aye aye (Daubentonia madagascariensis) Endangered

Rod Williams / Western gentle lemur {Hapalemur griseus occidentalis} captive occurrs Madagascar, vulnerable

Pete Oxford / Ring-tailed lemur {Lemur catta} feeding at cactus flower Madagascar, Berenty

John Downer Productions / Coquerel's sifaka lemurs pogo across the for (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Rod Williams / Lac Alaotra bamboo lemur juvenile {Hapalemur griseus alaotrensis} Madagascar Lack

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

Pete Oxford / Verreaux's sifaka 'dancing' {Propithecus v. verreauxi} Berenty Reserve, Madagascar

Pete Oxford / Ring tailed lemur with young.,Berenty PR, Madagascar

Pete Oxford / Coquerel's sifaka calling in tree. Madagascar, Ankarafantsika 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 with baby, Madagascar

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

Pete Oxford / Ring-tailed lemur male licking nose, Madagascar

Pete Oxford / Golden crowned sifaka, Madagascar. Endangered.

Pete Oxford / Golden crowned sifaka mother carrying young, Madagascar. Endangered. Andrano-tsimaty Village near Daraina

Pete Oxford / Brown lemur, Tsimbazaza Zoo, Madagascar

Pete Oxford / Ring-tailed lemur with young, Berenty Reserve, Madagascar

Pete Oxford / Ring-tailed lemur carrying young, Berenty Reserve, Madagascar

Pete Oxford / Golden crowned sifaka climbing, near Daraina, Madagascar

Pete Oxford / Female Black lemur, Nosy Komba, Madagascar

Pete Oxford / Decken's Sifaka (Propithecus deckenii) mother with young leaping across open ground, Western Madagascar.

Pete Oxford / Milne Edward's Sportive Lemur {Lepilemur edwardsi} mother & young, Madagascar

Pete Oxford / Milne Edward's Sportive Lemur, mother and young, Madagascar

Pete Oxford / Indri calling with young on back, Perinet Reserve, Madagascar

Pete Oxford / Grey bamboo lemur feeding {Hapalemur griseus griseus} Madagascar

Pete Oxford / Red fronted lemur. Female. Madagascar, Kirindy forest.

Pete Oxford / Milne Edward's sportive lemurs (Lepilemur edwardsi), Ampijora forest station, Madagascar

Lynn M Stone / Aye aye (Daubentonia madagascariensis). Madgascar

Rod Williams / Female Alaotran gentle lemur {Hapalemur griseus alaotrensis} Madagascar. Critically endangered species

Pete Oxford / Golden bamboo lemur {Hapalemur aureus} eating bamboo, Ranamafana NP, Madagascar

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

Hermann Brehm / Coquerel's sifakas climbing tree (Propithecus verreauxi coquereli) Madagascar.

John Waters / Brown lemur {Lemur fulvus fulvus} Madagascar

Kevin Schafer / Silky Sifaka (Propithecus candidus) portrait of male with chest-marking stain, climbing vine, Marojejy National Park, Madagascar, November, Endangered

Kevin Schafer / Silky Sifaka (Propithecus candidus) climbing tree trunk, Marojejy National Park, Madagascar, November, Endangered

Kevin Schafer / Silky Sifaka (Propithecus candidus) portrait feeding on leaves and climbing vine, Marojejy National Park, Madagascar, November, Endangered