Lorraine Bennery / White-fronted brown lemur female (Eulemur albifrons), sitting in tree, Rainforests of Atsinanana, Marojejy National Park. Madagascar, Endangered, endemic.

Lorraine Bennery / Sifaka de Decken (Propithecus deckenii), sitting in tree, Tsingy de Bemaraha National Park, Madagascar, Endangered, endemic.

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.

Konrad Wothe / Ring-tailed lemur (Lemur catta) with baby feeding from very thin branches, Berenty Reserve, Madagascar.

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

Nick Garbutt / Adult Aye-aye (Daubentonia madagascariensis) active in forest canopy at night. Dry deciduous forest near Andranotsimaty. Daraina, northern Madagascar. Critically Endangered

David Pattyn / Common brown lemur (Eulemur fulvus) jumping amongst branches, Anjajavy Private Reserve, north west Madagascar.

David Pattyn / Common brown lemur (Eulemur fulvus) portrait, Anjajavy Private Reserve, north west Madagascar.

Bernard Castelein / Sanford's brown lemur (Eulemur sanfordi) male and female in tree, Ankarana National Park, Madagascar

Bernard Castelein / Ankarana sportive lemur (Lepilemur ankaranensis), Ankarana National Park, Madagascar