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

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

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

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

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.

Chien Lee / White-fronted Brown Lemur (Eulemur fulvus albifrons) male, Marojejy National Park, Madagascar

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

Suzi Eszterhas / Crowned lemur (Eulemur coronatus) mother with twin infants, East Coast of Madagascar.

Chien Lee / Ring-tailed Lemur (Lemur catta) mother carrying young, Berenty Private Reserve, Madagascar