Cyril Ruoso / Reddish-grey mouse lemur (Microcebus griseorufus) in spiny tree. Berenty Reserve, Madagascar.

David Pattyn / Grey mouse lemur (Microcebus murinus) at night, Anjajavy Private Reserve, north west Madagascar.

Konrad Wothe / Mouse lemur (Microcebus murinus) Morondava, Madagascar, Africa. Small repro only.

Enrique Lopez-Tapia / Grey-brown mouse lemur (Microcebus griseorufus) at night, nocturnal species. Berenty Reserve, Madagascar.

Enrique Lopez-Tapia / Grey-brown mouse lemur (Microcebus griseorufus) at night, nocturnal species. Berenty Reserve, Madagascar.

Enrique Lopez-Tapia / Grey-brown mouse lemur (Microcebus griseorufus) at night, nocturnal species. Berenty Reserve, Madagascar.

Loic Poidevin / Grey / Lesser mouse lemur (Microcebus murinus) sucking sap from tree, Madagascar.

Rod Williams / Grey / Lesser Mouse Lemur (Microcebus murinus) Captive, occurs Western Madagascar

Andy Rouse / Grey mouse lemur (Microcebus murinus) on branch in spiny forest at night, Madagascar

Jouan & Rius / Lesser / Grey mouse lemur (Microcebus murinus) in tree at night, Nahampoana reserve, South Madagascar

Nick Garbutt / Grey-brown Mouse Lemur {Microcebus griseorufus} portrait in tree, Spiny forest, south western Madagascar

Rod Williams / Lesser / Grey mouse lemur {Microcebus murinus} captive, from NW Madagascar