Crowned lemurs are the smallest species in the lemur family, and until recently were considered as a sub-species of the mongoose lemur. Of the lemur species, they are the ones that show the most difference between the genders, except for the blue-eyed lemur. Females are mostly gray with an orange head, while males are a dark reddish brown and have a black and orange head.
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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FrugivoreA frugivore is an animal that thrives mostly on raw fruits or succulent fruit-like produce of plants such as roots, shoots, nuts, and seeds. Approx...
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HerbivoreA herbivore is an animal anatomically and physiologically adapted to eating plant material, for example, foliage, for the main component of its die...
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ArborealArboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some anima...
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AltricialAltricial animals are those species whose newly hatched or born young are relatively immobile. They lack hair or down, are not able to obtain food ...
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ZoochoryZoochory animals are those that can disperse plant seeds in several ways. Seeds can be transported on the outside of vertebrate animals (mostly mam...
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Island endemicIsland endemic animals are found in a single defined geographic location, such as an island. Animals or organisms that are indigenous to a place ar...
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PollinatorA pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower. This helps to bring about fertilizat...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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TerritorialA territory is a sociographical area that which an animal consistently defends against the conspecific competition (or, occasionally, against anima...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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PolygynyPolygyny is a mating system in which one male lives and mates with multiple females but each female only mates with a single male.
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Dominance hierarchyA dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social gr...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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The Crowned lemur is a native animal of Madagascar. They live from Cap d'Ambre in the extreme north to the Fanambana River in the south. They extend west to Ambilobe, a town on the Sambirano River, and along the east coastline. Crowned lemurs live in dry, deciduous forest and rainforest of mid-altitude situated on rugged terrain which has been shaped by limestone.
These mostly diurnal primates are social animals, living in groups of 5 to 15 individuals, the average size of the group being 5 or 6. Groups usually contain a few adults of both genders. It is thought that groups get smaller the more humid the environment, such as Mt. d'Ambre in the northern tip of the island. These animals are active from sunup to sundown, but often they will take a break at noon that could be up to four hours. Groups travel in the dark. Foraging often occurs within subgroups of a larger group, and specific vocalizations may be used for contact between the different subgroups. Interactions between groups that are larger are rare. Females are dominant over males in the group, allowing them advantages in choice of food and mates. Grooming members of the group is important to develop and maintain social bonds.
As frugivores Crowned lemurs mostly eat fruit and leaves, sometimes vertebrates and bird eggs, even flowers, pollen, and insects on occasion. In the dry season, they look for waterholes, which are often deep inside caves.
Crowned lemurs are polygynous, which means that one male gets exclusive mating rights with multiple females. Mating takes place from late May to June. Gestation is for about 125 days, and one infant or two are equally commonly born. Infants ride on the mothers' bellies during the first 3 weeks, moving to nurse and sometimes later moving onto the mother’s back. Mothers nurse their young until the age of 5 to 6 months. Crowned lemurs are sexually mature after two years.
The Crowned lemur is under threat by habitat loss because of forest fires, cultivation, logging, and development, which have served to dramatically reduce suitable habitat. Even though the Crowned lemur lives in four protected areas, these reserves are fragmented, restricting the lemur’s home ranges and potential for breeding. Research suggests that even within these reserves, logging, grazing and hunting takes place.
According to the Wikipedia resource, the total Crowned lemur population size is 1,000–10,000 individuals. Currently this species is classified as Endangered (EN) and its numbers are decreasing.
Being frugivores, Crowned lemurs may have an important role in seed dispersal; as nectivores, they may assist in plant pollination. As prey for other mammals and birds, this species may have an impact on local food webs.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...