Lorraine Bennery / Red-bellied lemur (Eulemur rubriventer) huddling together in tree branches. Anjozorobe Special Reserve, Madagascar. Vulnerable species, endemic.

Bernard Castelein / Red-bellied Lemur (Eulemur rubriventer) pair, Ialasatra, Madagascar

Nick Garbutt / Silhouette of Red-fronted brown lemur (Eulemur rufus) leaping across gap in trees by moonlight, cathemeral behaviour, Ranomafana National Park, south east Madagascar, November

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

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

Konrad Wothe / Brown Mouse Lemur (Microcebus rufus), Madagascar

Lorraine Bennery / Red-bellied lemur (Eulemur rubriventer), sitting in tree, Rainforests of Atsinanana, Marojejy National Park, Vulnerable, endemic.

Suzi Eszterhas / Red-fronted brown lemur (Eulemur rufifrons) infant clinging to mother, Berenty Private Reserve, Madagascar.

Suzi Eszterhas / Red-fronted brown lemur (Eulemur rufifrons) Berenty Private Reserve, Madagascar

Suzi Eszterhas / Red-fronted brown lemur (Eulemur rufifrons) Berenty Private Reserve, Madagascar

Bernard Castelein / Red-bellied Lemur (Eulemur rubriventer) one with blue eyes and one with brown eyes, Andasibe-Analamazaotra SR, Madagascar