Sandesh Kadur / Bamboo lemur (Hapalmur griseus) sitting on tree stump. Andasibe-Mantadia National Park, Madagascar.

David Pattyn / Black and white ruffed lemur (Varecia variegata variegata) hanging from branch, Vakona island, Andasibe area, Madagascar. Captive.

David Pattyn / Diademed sifaka (Propithecus diadema diadema) pair, Maromizaha Reserve, Andasibe Mantadia area, eastern Madagascar. August.

Nick Garbutt / Male Indri (Indri indri) reaching for leaves / foraging in forest understorey. Mitsinjo Reserve, Andasibe-Mantadia National Park, eastern Madagascar. Endangered.

Nick Garbutt / Darwin's hawkmoth (Xanthopan morgani praedicta) showing extraordinarily long coiled tongue. Andasibe-Mantadia National Park, Madagascar.

Enrique Lopez-Tapia / Graphite mine near the Andasibe-Mantadia National Park, one of the environmental problems affecting the ecosystem of the rainforest. Madagascar, March 2005.

Enrique Lopez-Tapia / Common brown lemur (Eulemur fulvus) in tree. Andasibe-Mantadia National Park.

Barrie Britton / Wasp (Ropalidia species) which attacks tadpoles. Association Mitsinjo Reserve, Andasibe, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, February 2010

Barrie Britton / Wasp (Ropalidia species) attacking Mantellid Frog Tadpoles (Guibemantis species) on leaf overhanging pond. Tadpoles escape by dropping into water. Association Mitsinjo Reserve, Andasibe, Madagascar. P...

Barrie Britton / Mantellid Frog Tadpoles (Guibemantis species) developing on leaf overhanging pond. Association Mitsinjo Reserve, Andasibe, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, Fe...

Bernard Castelein / Indri (Indri indri) calling, Andasibe-Mantadia NP, Madagascar

Chris Mattison / Giraffe necked weevils (Trachelophorus giraffa) male. Endemic to Andasibe, Madagascar.

Alex Hyde / Madagascar reed frog {Heterixalus madagascariensis} in front of waterfall, montane rainforest. Andasibe-Mantadia NP, Eastern Madagascar.

Alex Hyde / Giraffe necked weevil {Trachelophorus giraffa} male photographed on white background, tropical rainforest, Andasibe-Mantadia National Park, Madagascar

Alex Hyde / Giant millipede {Aphistogoniulus sp} running across leaf litter on rainforest floor. Andasibe-Mantadia National Park, Eastern Madagascar.

Alex Hyde / Spinybacked orb weaver spider (Gasteracantha sp.} photographed on white background, tropical rainforest, Andasibe-Mantadia NP, 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 / Male Comet / Madagascar moon moth (Argema mittrei) recently emerged drying its wings. Andasibe-Mantadia National Park, Madagascar.

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

Inaki Relanzon / Nelicourvi weaver (Ploceus nelicourvi) flying to nest, Andasibe-Manadia National Park, Madagascar, October

Mark Carwardine / Stephen Fry and Mark Carwardine with Brown lemurs on Lemur Island in Andasibe-Mantadia National Park, eastern Madagascar, while filming for BBC TV series 'Last Chance to See', November 2008

Inaki Relanzon / Short-horned chameleon (Calumma brevicornis) catching insect prey with its tongue, Andasibe-Mantadia National Park, Madagascar, Sequence 4/5

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

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

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

Jouan & Rius / Endemic frog (Mantidactylus liber) at night in rainforest, Andasibe Mantadia NP, Madagascar

Jouan & Rius / Endemic frog (Mantidactylus liber) on leaf in rainforest, Andasibe Mantadia NP, Madagascar

Nick Garbutt / Stump tailed Chameleon {Brookesia superciliaris} portrait, Andasibe-Mantadia NP, east Madagascar.

Chien Lee / Golden Mantella (Mantella aurantiaca) in forest, Andasibe, Madagascar

Chien Lee / Golden Mantella (Mantella aurantiaca), Andasibe, Madagascar

Paul Bertner / Moth (Erebidae), Andasibe-Mantadia National Park, Antananarivo, Madagascar

Chien Lee / Parson's Chameleon (Calumma parsonii) juvenile, Andasibe, Madagascar

Suzi Eszterhas / Diademed Sifaka (Propithecus diadema) feeding, Andasibe-Mantadia National Park, Madagascar

Thomas Marent / Fantastic Leaf-tail Gecko (Uroplatus phantasticus) mimicking leaves, Andasibe-Mantadia National Park, Madagascar

Thomas Marent / Fantastic Leaf-tail Gecko (Uroplatus phantasticus) mimicking leaves, Andasibe-Mantadia National Park, Madagascar

Alex Hyde / Photographer Alex Hyde exploring the forest for insect species. Andasibe-Mantadia National Park, Madagascar. 2009

Alex Hyde / Parsons chameleon (Calumma parsonii) male climbing vine. Near Andasibe-Mantadia National Park, Madagascar.

Terry Whittaker / Parson's chameleon (Calumma parsonii) on branch. Andasibe-Mantadia National Park, Madagascar.

Terry Whittaker / Darwin's epiphytic orchid (Angraecum sesquipedale). In hotel garden, Andasibe, Madagascar.

Terry Whittaker / Green bright-eyed frog (Boophis viridis) on leaf at night. Andasibe-Mantadia National Park, Madagascar.

Terry Whittaker / Green bright-eyed frog (Boophis viridis) on leaf at night. Andasibe-Mantadia National Park, Madagascar.

Terry Whittaker / Goodman's mouse lemur (Microcebus lehilahytsara). Andasibe Mantadia National Park, Madagascar.

Terry Whittaker / Tourist taking selfie of captive Common brown lemur (Eulemur fulvus) on her shoulder. Lemur Island, Andasibe, Madagascar. 2019.

Terry Whittaker / Eastern lesser bamboo lemur (Hapalemur griseus) perched on tree snag. Lemur Island, Andasibe, Madagascar. Captive.