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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.
They have fewer premolar teeth than other lemurs, with the dental formula of: 2.1.2.3 2.1.2.3 Females and males usually mate monogamously for many years. Mostly at the end of the dry season, their four- to five-month gestation ends with the birth of a single offspring, which lives in the family for a while after its weaning (at the age of five ...
Lemurs (/ ˈ l iː m ər / ⓘ LEE-mər; from Latin lemures lit. ' ghosts ' or ' spirits ') are wet-nosed primates of the superfamily Lemuroidea (/ l ɛ m j ʊ ˈ r ɔɪ d i ə / lem-yuurr-OY-dee-ə), [4] divided into 8 families and consisting of 15 genera and around 100 existing species.
In 1986 Wright traveled to Madagascar in search of the greater bamboo lemur (Prolemur simus), a species abundant at the sub-fossil lemur sites of the north but believed to have gone extinct in the recent past. She found that the greater bamboo lemur still exists and discovered a new species that was named Hapalemur aureus, the golden bamboo lemur.
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.
This demonstrates that lemur species such as the lemur catta and the common brown lemur were forced to switch their primary diet to a group of secondary food sources. [ 9 ] With most lemurids, the mother gives birth to one or two young after a gestation period of between 120 and 140 days, depending on species.
All 17 extinct lemurs were larger than the extant forms, some weighing as much as 200 kg (440 lb), [41] and are thought to have been active during the day. [66] Not only were they unlike the living lemurs in both size and appearance, they also filled ecological niches that no longer exist or are now left unoccupied. [ 25 ]
The ring-tailed lemur was one of the first lemurs to be classified, by Carl Linnaeus in 1758.. Lemurs were first classified in 1758 by Carl Linnaeus, and the taxonomy remains controversial today, with approximately 70 to 100 species and subspecies recognized, depending on how the term "species" is defined.