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The common name "potto" may be from Wolof pata (a tailless monkey). [3] The generic name Perodicticus is composed of Greek πηρός (pērós, ‘maimed’) and δεικτικός (deiktikós, "able to show/indicate", cf. δείκτης, deíktēs, ‘index finger’). It refers to the stubby index finger that seems mutilated. [4] [5]
The population of the species has radically decreased over the past decade. [8] Silky sifaka: Propithecus candidus: 250 [9] CR [9] [9] Estimate is believed to be a maximum. [9] Tonkin snub-nosed monkey: Rhinopithecus avunculus: 250 [10] CR [10] [10] Barbara Brown's titi: Callicebus barbarabrownae: 260 [11] CR [11] [11] Minimum estimation. [11 ...
[72] [77] Old World monkeys have eight premolars, compared with 12 in New World monkeys. The Old World species are divided into apes and monkeys depending on the number of cusps on their molars: monkeys have four, apes have five [72] - although humans may have four or five. [78]
The researchers compared the genomes of six species of apes, including humans, and 15 species of monkeys with tails to pinpoint key differences between the groups. Our ancient animal ancestors had ...
Old World monkeys are primates in the family Cercopithecidae (/ ˌ s ɜːr k oʊ p ɪ ˈ θ ɛ s ɪ d iː /). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons (genus Papio), red colobus (genus Piliocolobus), and macaques (genus Macaca).
The population of the Barbary macaques in Gibraltar is the only one outside Northern Africa and the only population of wild monkeys in Europe. Barbary macaques were once widely distributed in Europe, as far north as England, from the Early Pliocene ( Zanclean ) to the Late Pleistocene , as recently as 85-40,000 years ago. [ 8 ]
In northern Siberut researchers in the Peleonan forest conducted population density surveys from July to December 2005. [6] Results form these surveys show a mean density of 16.2 groups/km 2. [6] One of the main factors associated with the population decline of this species is habitat disturbance from commercial logging operations. [10]
The Dynamic Energy Budget model predicts exponents that vary between 2 ⁄ 3 – 1, depending on the organism's developmental stage, basic body plan and resource density. [19] [20] DEB is an alternative to metabolic scaling theory, developed before the MTE. [21]