lémur - définition. Qu'est-ce que lémur
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Qu'est-ce (qui) est lémur - définition

SUPERFAMILY OF MAMMALS
Lemurs; Lemuroidea; Lemuroid; Lemurs of Madagascar; Lemuriens; Sexual behavior of lemurs; Reproductive behavior of lemurs; Olfactory communication in lemurs; Lemuroids; Cultural depictions of lemurs
  • [[Woolly lemur]]s are nocturnal and typically give birth to one offspring, which they carry with them while foraging.
  • [[Aye-aye]]s exhibit eyeshine because they have a reflective layer of tissue in the eye, called a [[tapetum lucidum]].
  • Babakotia radofilai]]'', a [[sloth lemur]] that became extinct less than two thousand years ago
  • [[Berenty Private Reserve]] in southern Madagascar is both a popular tourist destination and research location. [[Alison Jolly]] began her research here in 1962.
  • [[Dwarf lemur]]s are solitary but social, foraging alone but often sleeping in groups.
  • Lemurs generally have a wet nose, or [[rhinarium]], as well as a longer snout than anthropoid primates.
  • Lemurs use scent-marking to communicate. Pictured is a [[red-bellied lemur]] rubbing its rump against some smaller branches.
  • Marojejy]].
  • The [[indri]] is known locally as ''babakoto'', which translates to "Ancestor of Man".
  • Social grooming serves many functions for social lemurs.
  • A six-tooth version of the strepsirrhine [[toothcomb]] in a [[ring-tailed lemur]], with canine-like premolars behind it
  • The [[Sahamalaza sportive lemur]] (''Lepilemur sahamalazensis'') was identified as a distinct species in 2006.
  • [[Mouse lemur]]s primarily eat fruit, although their diet also includes insects.
  • pp=209–323}}
  • [[Sifaka]]s are specially adapted to vertical clinging and leaping, so they must hop sideways to move on the ground.
  • Rice paddies have gradually replaced lemur habitat, particularly in the central part of the island.
  • Close-up of a [[ruffed lemur]]'s foot, showing the [[toilet-claw]] on the second toe and nails on all other toes

ring-tailed lemur         
LARGE SPECIES OF STREPSIRRHINE PRIMATE
Ring-Tailed Lemur; Lemur catta; Ring tailed lemur; Lemur (genus); Ring tail lemur; Ringtailed Lemur; Ring-tailed Lemur; Ringtail Lemur; Ringtailed lemur; Olfactory communication in ring-tailed lemurs; Mating behavior of ring-tailed lemurs; Sexual behavior of ring-tailed lemurs; Ring-tailed lemurs
¦ noun a grey lemur with black rings around the eyes and a distinctive black-and-white banded tail. [Lemur catta.]
Hypocritanus lemur         
SPECIES OF INSECT
Ocyptamus lemur
Hypocritanus lemur is a species of syrphid fly in the family Syrphidae. Until 2020, it was classified in the genus Ocyptamus.
Subfossil lemur         
LEMURS FROM MADAGASCAR THAT ARE REPRESENTED BY RECENT (SUBFOSSIL) REMAINS
Tratratratra; Tretretretre; Kidoky; Giant lemur; Giant lemurs; Giant Lemur; Subfossil lemurs
Subfossil lemurs are lemurs from Madagascar that are represented by recent (subfossil) remains dating from nearly 26,000 years ago to approximately 560 years ago (from the late Pleistocene until the Holocene). They include both extant and extinct species, although the term more frequently refers to the extinct giant lemurs.

Wikipédia

Lemur

Lemurs ( (listen) LEE-mər) (from Latin lemures – ghosts or spirits) are wet-nosed primates of the superfamily Lemuroidea (), divided into 8 families and consisting of 15 genera and around 100 existing species. They are endemic to the island of Madagascar. Most existing lemurs are small, have a pointed snout, large eyes, and a long tail. They chiefly live in trees and are active at night.

Lemurs share resemblance with other primates, but evolved independently from monkeys and apes. Due to Madagascar's highly seasonal climate, lemur evolution has produced a level of species diversity rivaling that of any other primate group. Until shortly after humans arrived on the island around 2,000 years ago, there were lemurs as large as a male gorilla. Most species have been discovered or promoted to full species status since the 1990s; however, lemur taxonomic classification is controversial and depends on which species concept is used.

Lemurs range in weight from the 30-gram (1.1 oz) mouse lemur to the 9-kilogram (20 lb) indri. Lemurs share many common basal primate traits, such as divergent digits on their hands and feet, and nails instead of claws (in most species). However, their brain-to-body size ratio is smaller than that of anthropoid primates. As with all strepsirrhine primates, they have a "wet nose" (rhinarium). Lemurs are generally the most social of the strepsirrhine primates, and communicate more with scents and vocalizations than with visual signals. Lemurs have a relatively low basal metabolic rate, and as a result may exhibit dormancy such as hibernation or torpor. They also have seasonal breeding and female social dominance. Most eat a wide variety of fruits and leaves, while some are specialists. Two species of lemurs may coexist in the same forest due to different diets.

Lemur research during the 18th and 19th centuries focused on taxonomy and specimen collection. Modern studies of lemur ecology and behavior did not begin in earnest until the 1950s and 1960s. Initially hindered by political issues on Madagascar during the mid-1970s, field studies resumed in the 1980s. Lemurs are important for research because their mix of ancestral characteristics and traits shared with anthropoid primates can yield insights on primate and human evolution. Many lemur species remain endangered due to habitat loss and hunting. Many lemur species have already gone extinct in the last 2000 years due to human activity, and are collectively referred to as the "subfossil lemurs". These are typically larger than extant lemurs, with the largest, Archaeoindris, being the size of a gorilla. Although local traditions, such as fady, generally help protect lemurs and their forests, illegal logging, economic privation and political instability conspire to thwart conservation efforts. Because of these threats and their declining numbers, the International Union for Conservation of Nature (IUCN) considers lemurs to be the world's most endangered mammals, noting that as of 2013 up to 90% of all lemur species confront the threat of extinction in the wild within the next 20 to 25 years. As an iconic flagship species that exemplifies the biodiverse fauna of Madagascar, however, lemurs have facilitated the emergence of eco-tourism in Madagascar in World Heritage Sites, such as the Rainforests of the Atsinanana in eastern Madagascar. In addition, conservation organizations, such as the Lemur Conservation Foundation and the Duke Lemur Center, increasingly seek to implement community-based approaches, such as encouraging local communities to adopt sustainable agriculture and afforestation initiatives, to expand employment opportunities for ecological programs, preserve lemur habitats as well as promote public awareness and appreciation for lemurs.