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Mouse Lemurs


About Mouse Lemurs

The Latin word lemures means “ghost.” Malagasy people have traditionally associated these primates with spirits because they are active at night, and perhaps because of their eerie, large-eyed stare.

Mouse Lemur Species

There are more than 20 species of mouse lemurs, and several have been identified only in recent years. This is a rarity in primate research, and illustrates just how much remains to be known about these fascinating animals.

Like all lemurs, mouse lemurs inhabit the island of Madagascar off the east coast of Africa.

The pygmy mouse lemur is the smallest primate in the world. Its head and body are less than two and a half inches long, though its tail is a bit more than twice that length. These threatened nocturnal lemurs live in the dry forests of western Madagascar and rarely leave the forests' trees. Little is known of these rare primates.

Behavior

Mouse lemurs are forest dwellers that live in female-dominated groups of up to 15 animals. They spend most of their time in trees, and can move nimbly from branch to branch and tree to tree. Mouse lemurs sleep aloft during the day and forage at night for insects, fruit, flowers, and other plants.

These adaptable primates store fat in their tails and hind legs, burning it when forage is lean. They may store up to 35 percent of their body weight. Female lesser mouse lemurs enter a dormant state during Madagascar's dry season, from April or May to September or October. Females are inactive during this time and may not leave their tree holes. During the same season, however, males are more active. They may be establishing breeding hierarchies for the coming mating season.

Mouse lemurs are protected from hunting, but they are still captured for the exotic pet trade. They are most threatened by loss of the limited woodland habitat of their Madagascar home.