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Ring-tailed lemur (Lemur catta). Lemuroidea is a superfamily of primates.Members of this superfamily are called lemuroids, or lemurs. Lemuroidea is one of two superfamilies that form the suborder Strepsirrhini, itself one of two suborders in the order Primates.
The indri is a vertical clinger and leaper and thus holds its body upright when traveling through trees or resting in branches. It has long, muscular legs which it uses to propel itself from trunk to trunk. Its large greenish eyes and black face are framed by round, fuzzy ears. Unlike any other living lemur, the indri has only a rudimentary tail.
Like some other herbivores, they have a large cecum, containing bacteria that ferment cellulose, allowing for more efficient digestion of plant matter. [6] They have fewer premolar teeth than other lemurs, with the dental formula of: 2.1.2.3 2.1.2.3
The ring-tailed lemur is a relatively large lemur. Its average weight is 2.2 kilograms (4.9 lb). [21] Its head–body length ranges between 39 and 46 cm (15 and 18 in), its tail length is 56 and 63 cm (22 and 25 in), and its total length is 95 and 110 cm (37 and 43 in).
This diurnal lemur further diversifies its diet by consuming not only fruits, but certain flowers, seeds and verdant leaves, in proportions that vary by season. [ citation needed ] For a large lemur, the diademed sifaka is rather athletic, being capable of lateral aerial propulsion of up to 30 kilometers per hour, a result of muscular leg ...
Archaeoindris fontoynontii is an extinct giant lemur and the largest primate known to have evolved on Madagascar, comparable in size to a male gorilla.It belonged to a family of extinct lemurs known as "sloth lemurs" (Palaeopropithecidae) and, because of its extremely large size, it has been compared to the ground sloths that once roamed North and South America.
Testicle size in the northern giant mouse lemur does not appear to fluctuate by season, [32] and is so large relative to the animal's body mass that it is the highest among all primates. [ 41 ] [ 32 ] This emphasis on sperm production in males, as well as the use of copulatory plugs , suggests a mating system best described as polygynandrous ...
Three subspecies of black-and-white ruffed lemur have been recognized since the red ruffed lemur was elevated to species status in 2001. [5] Together with the red ruffed lemur, they are the largest extant members of the family Lemuridae, ranging in length from 100 to 120 cm (3.3 to 3.9 ft) and weighing between 3.1 and 4.1 kg (6.8 and 9.0 lb).