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Vertical Clinging And Leaping
Vertical clinging and leaping (VCL) is a type of arboreal locomotion seen most commonly among the Strepsirrhini, strepsirrhine primates and Haplorrhini, haplorrhine tarsiers. The animal begins at rest with its torso upright and elbows fixed, with both hands clinging to a vertical support, such as the side of a tree or bamboo stalk. To move from one support to another, it pushes off from one vertical support with its hindlimbs, landing on another vertical support after an extended period of free flight. Vertical clinging and leaping primates have evolved a specialized anatomy to compensate for the physical implications of this form of locomotion. These key morphological specializations have been identified in prosimian fossils from as early as the Eocene. Vertical clinging and leaping primates Vertical clinging and leaping has only been observed in primates, and primarily in prosimians. A few anthropoids have been observed to engage in this behavior, such as Saki monkey, ''Pith ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bushbaby Leaping Captured In Multiflash
Galagos , also known as bush babies, or ''nagapies'' (meaning "night monkeys" in Afrikaans), are small nocturnal primates native to continental, sub-Sahara Africa, and make up the family Galagidae (also sometimes called Galagonidae). They are considered a sister group of the Lorisidae. According to some accounts, the name "bush baby" comes from either the animal's cries or its appearance. The Ghanaian name ''aposor'' is given to them because of their firm grip on branches. In both variety and abundance, the bush babies are the most successful strepsirrhine primates in Africa, according to the African Wildlife Foundation. Taxonomic classification and phylogeny Galagos are currently grouped into six genera. ''Euoticus'' is a basal sister taxon to all the other galagids. The 'dwarf' galagids recently grouped under the genus ''Galagoides'' have been found, based on genetic data, and supported by analysis of vocalisations and morphology, to actually consist of two clades, whic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indriidae
The Indriidae (sometimes incorrectly spelled Indridae) are a family of strepsirrhine primates. They are medium- to large-sized lemurs, with only four teeth in the toothcomb instead of the usual six. Indriids, like all lemurs, live exclusively on the island of Madagascar. Classification The 19 living species in the family are divided into three genera. Family Indriidae *Genus ''Indri'' **Indri, ''Indri indri'' *Genus '' Avahi'', woolly lemurs **Bemaraha woolly lemur, ''Avahi cleesei'' **Eastern woolly lemur, ''Avahi laniger'' **Moore's woolly lemur, ''Avahi mooreorum'' **Western woolly lemur, ''Avahi occidentalis'' **Sambirano woolly lemur, ''Avahi unicolor'' **Peyrieras's woolly lemur, ''Avahi peyrierasi'' **Southern woolly lemur, ''Avahi meridionalis'' **Ramanantsoavana's woolly lemur, ''Avahi ramanantsoavani'' **Betsileo woolly lemur, ''Avahi betsileo'' *Genus ''Propithecus'', sifakas **''Propithecus diadema'' group ***Diademed sifaka, ''Propithecus diadema'' ***Silky sifaka, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pygmy Marmoset
Pygmy marmosets are two species of small New World monkeys in the genus ''Cebuella''. They are native to rainforests of the western Amazon Basin in South America. These primates are notable for being the smallest monkeys in the world, at just over . They are generally found in evergreen and river-edge forests and are gum-feeding specialists, or gummivores. About 83% of the pygmy marmoset population lives in stable troops of two to nine individuals, including a dominant male, a breeding female, and up to four successive litters of offspring. The modal size of a standard stable troop would be six individuals. Although most groups consist of family members, some may also include one or two additional adult members. Members of the group communicate using a complex system including vocal, chemical, and visual signals. Three main calling signals depend on the distance the call needs to travel. These monkeys may also make visual displays when threatened or to show dominance. Chemical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bearded Saki
The bearded sakis, or cuxiús are five or six species of New World monkeys, classified in the genus ''Chiropotes''. They live in the eastern and central Amazon in South America, ranging through southern Venezuela, Guyana, Suriname, French Guiana and northern and central Brazil. The species are entirely allopatric, their distributions being separated by major rivers. Bearded sakis differ from the closely related saki monkeys of the genus ''Pithecia'' by a pronounced beard, a tuft of hair that extends from its jaw, down its throat to the top of its chest, and is strongly pronounced particularly in the males. The tail is long and hairy, and is used for balance and not grasping. Bearded sakis reach from 32 to 51 cm in size and a weigh from 2 to 4 kg. Like many New World monkeys, bearded sakis are diurnal and arboreal. They inhabit tropical rainforests, usually in the crowns of tree. They move on all four by the branches, spending most of the day searching for food. At the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Uakari
Uakari (, ) is the common name for the New World monkeys of the genus ''Cacajao''. Both the English and scientific names are believed to have originated from indigenous languages. The uakaris are unusual among New World monkeys in that the tail length (15–18 cm) is substantially less than their head and body length (40–45 cm). Their bodies are covered with long, loose hair but their heads are bald. They have almost no subcutaneous fat, so their bald faces appear almost skull-like. Like their closest relatives the saki monkeys, they have projecting lower incisors. These monkeys have the most striking red facial skin of any primate. Females choose their mates based on how red the male's face is. Evidence suggests that the red facial coloration reflects the health of the primate. The uakari is one of the least known monkeys in South America. The four species of uakari currently recognized are all found in the north-western Amazon basin. The bald uakari, remarkable for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pitheciinae
Pitheciinae is a subfamily of the New World monkey family Pitheciidae. It contains three genera and 14 species. Pitheciines are forest dwellers from northern and central South America, east of the Andes. They are small to medium-sized primates, with a stocky build due to their close skin. The skin is covered in shaggy fur, its coloring varies depending upon species from black to grey and brown up to white. Parts of the face can be bald. The tail, which is not used for grasping but for balance, is also hairy, although the uakari's tail is only a stub. Like most New World monkeys, they are diurnal and arboreal. They are good climbers and spend the majority of their life in the trees. They live in groups ranging in number from small groups (such as with the saki monkeys ) to as many as 50 animals. They communicate with a set of sounds which typically includes high cries and a nearly bird-like twitter. Pitheciines are generally omnivores, the main part of their diet coming from fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tarsiidae
Tarsiers ( ) are haplorhine primates of the family Tarsiidae, which is itself the lone extant family within the infraorder Tarsiiformes. Although the group was once more widespread, all of its species living today are found in Maritime Southeast Asia, specifically the Philippines, Malaysia, Indonesia, and Brunei.They are found primarily in forested habitats, especially forests that have liana, since the vine gives tarsiers vertical support when climbing trees. Evolutionary history Fossil record Fossils of tarsiiform primates are found in Asia, Europe, and North America, with disputed fossils from Africa, but extant tarsiers are restricted to several Southeast Asian islands in Indonesia, Philippines, and Malaysia. The fossil record indicates that their dentition has not changed much, except in size, in the past 45 million years. Within the family Tarsiidae, there are two extinct genera, '' Xanthorhysis'' and ''Afrotarsius''. However, the placement of ''Afrotarsius'' is not ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haplorhini
Haplorhini (), the haplorhines (Greek for "simple-nosed") or the "dry-nosed" primates, is a suborder of primates containing the tarsiers and the simians (Simiiformes or anthropoids), as sister of the Strepsirrhini ("moist-nosed"). The name is sometimes spelled Haplorrhini. The simians include catarrhines (Old World monkeys and apes, including humans), and the platyrrhines (New World monkeys). Haplorhini was proposed by Pocock in 1918 when he realized the tarsiers were actually sister to the monkeys rather than the lemurs, also following findings of Hugh Cuming 80 years earlier and Linnaeus 160 years earlier. For Linnaeus, this ensemble of primates constituted a genus "''Simia''". For religious reasons, ''Homo'' constituted its own genus (which has remained). The extinct omomyids, which are considered to be the most basal haplorhines, are believed to be more closely related to the tarsiers than to other haplorhines. The exact relationship is not yet fully established – Willia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dwarf Lemur
The dwarf lemurs are the lemurs of the genus ''Cheirogaleus''. All of the species in this genus, like all other lemurs, are native to Madagascar. Description Measuring 19–27 cm in body length with a tail about 16–17 cm, they are larger than the mouse lemur but smaller than the gentle lemur. Their heads are globular compared to the fox-like heads of the lemurs, but their muzzles are more pointed than those of the hapalemurs. Their hind limbs are slightly longer than their forelimbs, but not as elongated as in lepilemurs or indriids. Dwarf lemurs have an intermembral index of 71 on average. In contrast to most other primates, their grip is similar to that of South American monkeys with objects picked up and branches grasped between the second and third fingers, rather than between the thumb and index finger. Their nails are somewhat keeled and pointed. Dwarf lemurs roam the lower strata of the foliage in the coastal forests of eastern Madagascar. They a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Greater Bamboo Lemur
The greater bamboo lemur (''Hapalemur simus''), also known as the broad-nosed bamboo lemur and the broad-nosed gentle lemur, is a species of lemur endemic to the island of Madagascar. Taxonomy Originally described as ''Hapalemur (Prolemur) simus'' by John Edward Gray in 1870, it was regarded simply as ''Hapalemur simus'' as early as 1880. With the understanding that this species is more closely related to the ring-tailed lemur (''Lemur catta'') than to the other ''Hapalemur'' species, Colin Groves resurrected ''Prolemur'' as a full genus in 2001, with this species as its only member. More recent research by Herrera and Dávalos (2016) indicates that the species is sister to all of ''Hapalemur'', and that ''Lemur'' is sister to ''Hapalemur'' + ''simus'', and that it should remain in ''Hapalemur''. Description The greater bamboo lemur is the largest bamboo lemur, at over . It has greyish brown fur and white ear tufts, and has a head-body length of around . They have relativel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Small-toothed Sportive Lemur
The small-toothed sportive lemur (''Lepilemur microdon''), or small-toothed weasel lemur, is a primate species in the family Lepilemuridae that—like all extant lemurs—is endemic to Madagascar. The species lives in dense rainforest in southeastern Madagascar, and can be found in Ranomafana and Andringitra National Parks. Described in 1894, it was considered either a subspecies or taxonomic synonym of the weasel sportive lemur (''Lepilemur mustelinus'') throughout most of the 20th century. Phylogenetic studies not only support its species status, but also suggest that it is the only eastern Malagasy sportive lemur that is more closely related to western than to other eastern species. According to the original description, some of its teeth are smaller than those in other sportive lemurs. It is relatively large for a sportive lemur, and is difficult to visually distinguish from the weasel sportive lemur. The species weighs between and measures from head to tail. Its fur is m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lepilemuridae
The sportive lemurs are the medium-sized primates that make up the family Lepilemuridae. The family consists of only one extant genus, ''Lepilemur''. They are closely related to the other lemurs and exclusively live on the island of Madagascar. For a time, this family was named Megaladapidae, but the current name was given precedence since the extinct genus ''Megaladapis'' was removed from the family. Etymology French zoologist Isidore Geoffroy Saint-Hilaire first described the genus ''Lepilemur'' in 1851, prefixing the existing genus ''Lemur'' with the Latin ''lepidus'' ("pleasant" or "pretty"). However, it was erroneously spelled—a mistake later authors unsuccessfully attempted to correct to ''Lepidolemur''. Members of the monogeneric family Lepilemuridae are referred to as either sportive or weasel lemurs. "Sportive lemur", which is more commonly used, was coined by Henry Ogg Forbes in 1894. Though he did not explain the name choice, he did mention the agility of ''Lepilemu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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