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Red ruffed lemurs grooming each other. The red ruffed lemur is a very clean animal and spends a lot of time grooming itself and in social grooming. The lower incisors (front teeth) and the claw on the second toe of the hind foot are specially adapted for this behavior. The lower incisors grow forward in line with each other and are slightly spaced.
Ruffed lemurs are typically described as multi-male groups with a fission-fusion social structure, [12] [14] [20] although this can vary by season and locality. [12] In a study done at Masoala Peninsula on red ruffed lemurs three levels of organization were identified and defined: communities, core groups, and subgroups.
Lemuridae contains 21 ruffed, ring-tailed, bamboo, and other lemur species in five genera. Lepilemuridae contains 25 sportive lemur species in a single genus. Dozens of extinct prehistoric lemuroid species have been discovered, though due to ongoing research and discoveries the exact number and categorization is not fixed. [ 1 ]
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Like living ruffed lemurs, Pachylemur specialized in eating fruit, and was therefore an important seed disperser, possibly for tree species with seeds too large for even ruffed lemurs to swallow. In the spiny thickets of southwestern Madagascar , they were also likely to have dispersed seeds evolved to attach to fur and be carried away.
Lemur species diversity increases as the number of tree species in an area increase and is also higher in forests that have been disturbed over undisturbed areas. [12] Evidence from the Subfossil records show that many of the now extinct lemurs actually lived in much drier climates than the currently extant lemurs.
Lemurs were first formally classified in the 10th edition of Systema Naturae.. In the first volume of the 10th edition of Systema Naturae (1758), Carl Linnaeus, the founder of modern binomial nomenclature, created the genus Lemur to include three species: Lemur tardigradus (the red slender loris, now known as Loris tardigradus), Lemur catta (the ring-tailed lemur), and Lemur volans (the ...
The red lemur (Eulemur rufus), also known as the rufous brown lemur or northern red-fronted lemur, is a species of lemur from Madagascar. Until 2001, the species E. rufus was considered a subspecies of the common brown lemur , E. fulvus , [ 4 ] after which it was classified as its own species.