Nick Garbutt / Milne-edward's sifaka lemur (Propithecus diadema edwardsi) infant head portrait, Ranomafana National Park, south east Madagascar.

Inaki Relanzon / Milne-Edwards' sifaka (Propithecus edwardsi) with young on its back, Ranomafana National Park, Madagascar, Endangered, September

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

Lorraine Bennery / Milne-Edwards's sifaka (Propithecus edwardsi), sitting in tree Ranomafana National Park, Madagascar, Endangered, endemic.

Konrad Wothe / Milne Edwards sifaka (Propithecus edwardsi) Ranomafana National Park, Madagascar

Lorraine Bennery / Milne-Edwards' sifaka (Propithecus edwardsi) in tree, Ambohimahasoa, Lalatsara Natural Reserve, Madagascar, December.

Lorraine Bennery / Milne-Edward's sportive lemur (Lepilemur edwardsi) Ankarafantsika Nature Reserve, deciduous dry forest, Western Madasgascar, August.

Lorraine Bennery / Milne-Edward's sportive lemur (Lepilemur edwardsi) Ankarafantsika Nature Reserve, deciduous dry forest, Western Madasgascar, August.

Lorraine Bennery / Milne-Edward's sportive lemur (Lepilemur edwardsi) Ankarafantsika Nature Reserve, deciduous dry forest, Western Madasgascar, December.

Lorraine Bennery / Milne-Edwards' sifaka (Propithecus edwardsi) in tree, Ambohimahasoa, Lalatsara Natural Reserve, Madagascar, December.

Bernard Castelein / Milne-Edward's sifaka (Propithecus edwardsi), Ialatsara, Madagascar

Bernard Castelein / Milne-Edward's Sifaka (Propithecus edwardsi), Lalatsara, Madagascar

Bernard Castelein / Milne-Edward's sifaka (Propithecus edwardsi), Lalatsara, Madagascar

Bernard Castelein / Milne-Edward's Sifaka (Propithecus edwardsi), Ialatsara, Madagascar

Bernard Castelein / Milne-Edward's sifaka (Propithecus edwardsi), Lalatsara, Madagascar

Enrique Lopez-Tapia / Milne-Edwards' sifaka (Propithecus edwardsi) feeding on leaves. Ranomafana National Park, Madagascar. Endangered species.

Roland Seitre / Milne-Edwards Sportive Lemur (Lepilemur edwardsi) leaping from tree to tree at night, Ankarafantsika, Madagascar. Endemic species, vulnerable.

Bernard Castelein / Milne-Edwards' Sportive Lemur (Lepilemur edwardsi) on tree trunk, Ankarafantsika NP, Madagascar

Konrad Wothe / Milne Edwards Sifaka ( Propithecus edwardsi) Ranomafana, Madagascar

Bernard Castelein / Milne-Edward's Sifaka (Propithecus edwardsi) Ialasatra, Madagascar

Bernard Castelein / Milne-Edward's Sifaka (Propithecus edwardsi) Ialasatra, Madagascar

Bernard Castelein / Milne-Edward's Sifaka (Propithecus edwardsi) Ialasatra, Madagascar

Inaki Relanzon / Milne-Edwards' sifaka (Propithecus edwardsi) climbing tree trunk, Ranomafana National Park, Madagascar, Endangered, September

Inaki Relanzon / Milne edward's sportive lemur (Lepilemur edwardsi) in Ankarafantsika National Park, Madagascar.

Konrad Wothe / Milne-edward's Sifaka (Propithecus diadema edwardsi) in tree, Madagascar

Konrad Wothe / Milne-edward's Sifaka (Propithecus diadema edwardsi) eating in tree, Madagascar

Pete Oxford / Milne-Edward's sportive lemur (Lepilemur edwardsi) Ankarafantsika Nature Reserve, deciduous dry forest, Western MADAGASCAR, endemic

Pete Oxford / Milne-Edward's Sportive Lemur (Lepilemur edwardsi) peeking out of tree, endemic, Daraina, Madagascar

Pete Oxford / Milne-Edward's Sportive Lemur (Lepilemur edwardsi) portrait, endemic, Ankarafantsika Nature Reserve, western Madagascar

Nick Garbutt / Milne-Edward's sportive lemur {Lepilemur edwardsi} in tree hole, Ankarafantsika Reserve, Madagascar

Pete Oxford / Milne Edward's sifaka {Propithecus diadema edwardsi} resting in tree, Ranamafana NP, Madagascar

Pete Oxford / Milne Edward's sifaka {Propithecus diadema edwardsi} Ranomafana NP, Madagascar

Nick Garbutt / Milne-Edward's sifaka {Propithecus diadema edwardsi} Madagascar. Ranomafana NP

Nick Garbutt / Milne-Edward's sifaka {Propithecus diadema edwardsi} Madagascar. Ranomafana NP

Nick Garbutt / Milne-Edward's sifaka {Propithecus diadema edwardsi} Madagascar. Ranomafana NP

Pete Oxford / Milne Edward's sifaka in tree {Propithecus diadema edwardsi} Ranomafana NP, Madagascar

Pete Oxford / Milne Edwards sifaka {Propithecus diadema edwardsi} Ranamafana NP, Madagascar

Pete Oxford / Two Milne Edwards sifaka {Propithecus diadema edwardsi} in tree Ranamafana NP, Madagascar

Nick Garbutt / Milne Edward's Diademed sifaka, Ranomafana NP Madagascar {Propithecus diadema edwardsi}

Nick Garbutt / Milne-Edward's sifaka (Propithecus edwardsi) sitting in tree eating fruit, Ranomafana National Park, south east Madagascar. Endangered.

Nick Garbutt / Milne-Edward's sifaka (Propithecus edwardsi) female with infant sitting in tree, Ranomafana National Park, south east Madagascar. Endangered.

Roland Seitre / Milne-Edward's sifaka (Propithecus edwardsi) climbing up a tree trunk, Ranomafana National Park, Madagascar.

Roland Seitre / Two Milne-Edward's sifakas (Propithecus edwardsi) with juvenile climbing in trees, Ranomafana National Park, Madagascar.

Lorraine Bennery / Milne-Edwards' sifaka (Propithecus edwardsi) with young, Ranomafana National Park, Madagascar, Endangered, October 2019. Critically Endangered species