Group of Ring-tailed Lemurs (Lemur catta). Southern Madagascar.

The ring-tailed lemur is a large strepsirrhine primate and the most recognized lemur due to its long, black and white ringed tail. It belongs to Lemuridae, one of five lemur families, and is the only member of the "Lemur" genus. Like all lemurs it is endemic to the island of Madagascar and endangered.