Sanford's Brown Lemur
What they look like
Sanford’s lemurs are medium brown and medium size, weighing 1.8-2.5 kilograms (about 4-5.5 pounds), with long tails. A whiskery “mane” distinguishes male Sanford’s lemurs, contrasting with the black nose, muzzle, and face. Females lack this creamy gray/brown beard and ear tufts. With their gray faces, females of this species resemble white-fronted brown lemurs.
Where they live
In Madagascar, Sanford’s lemurs range in tropical moist, dry lowland, and montane forests at the very northern tip of the island.
What they eat
About 90% of the animals’ diet consists of fruit, supplemented by plant parts (leaves, buds, flowers) and centipedes and spiders now and then.
How they behave
Sanford’s lemurs are cathemeral, active day and night. Group size depends upon the population and habitat, with small mixed-gender groups (4-7) in rainforests and larger ones (up to 15) in the dry forests. Sanford’s lemurs share territory with crowned lemurs and sometimes forage with them. Researchers have not noted the female dominance characteristic of other lemur species.
How they reproduce
In Madagascar, Sanford’s lemurs reach sexual maturity at age 2. They mate in May and June, and 120 days later, in late September and early October, females give birth to a single infant. Like other brown lemurs, Sanford’s babies cling to the underside of their mothers for about a month before climbing onto their backs.
What threats they face
Natural predators include hawks, boa constrictors, and fossae (the plural for fossa—a large, carnivorous mammal, related to the mongoose with qualities of a cat). Slash-and-burn agriculture, logging, and sapphire mining are destroying the northern forests. Locals sometimes hunt Sanford’s lemurs or trap them for pets.
Sanford’s lemurs at the Myakka City Reserve
LCF shelters the only male Sanford’s lemur left in captivity in North America. In addition to the provided fruits, vegetables, and monkey biscuits, he browses gallberry, wax myrtle, and grape vines.
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