Nick Garbutt / Tufted-tailed / Tuft-tailed rat (Eliurus sp) looking down from branch at night. Masoala National Park, north east Madagascar.

Nick Garbutt / Western Tuft-tailed Rat {Eliurus myoxinus} sleeping on branch, Ampijoroa, north west Madagascar.

Nick Garbutt / Lesser tufted-tailed rat (Eliurus minor) feeding in tree at night, Marojejy National Park, north east Madagascar.

Joel Sartore / Photo Ark / Grandidier's tuft-tailed rat (Eliurus grandidieri) portrait, Plzen Zoo. Captive.