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The purple-faced langur (Semnopithecus vetulus), [1] also known as the purple-faced leaf monkey, is a species of Old World monkey that is endemic to Sri Lanka. The animal is a long-tailed arboreal species, identified by a mostly brown appearance, dark face (with paler lower face) and a very shy nature.
Deforestation harms the monkey in several ways. The western purple-faced langur is naturally folivorous, and its biology is specialized for a diet that consists primarily of leaves. With leaves less available, the monkey's diet consists largely of cultivated fruit taken from people's gardens, which does not give them much nutrition. [8]
Purple-faced langur Semnopithecus vetulus; Nilgiri langur Semnopithecus johnii; In addition, Semnopithecus dussumieri has been determined to be invalid. [12] [16] [17] [18] Most of the range that had been considered S. dussumieri is now considered S. entellus. [15] [16] Thus the current generally accepted species within the genus Semnopithecus ...
Dracula simia, known also as the monkey-like Dracula, is an epiphytic orchid originally described as part of the genus Masdevallia, [2] but later reclassified as part of genus Dracula. [1] The arrangement of column , petals and lip resembles a monkey's face.
The classification of the Nilgiri langur has been disputed. Traditionally it has been placed within the genus Trachypithecus based on morphological similarities such as cranial morphology and neonatal pelage color, and within the Trachypithecus vetulus group within Trachypithecus based on a presumed close relationship with the purple-faced langur (Semnopithecus vetulus), which had formerly ...
Trachypithecus (derived from Greek τραχύς, trachýs meaning "rough" and πίθηκος, píthekos meaning "monkey") is a genus of Old World monkeys containing species known as lutungs, langurs, or leaf monkeys. Their range is much of Southeast Asia (northeast India, Vietnam, southern China, Borneo, Thailand, Java, and Bali).
Hairless and red-faced may not be typical adjectives to describe good health, but healthy bald uakari monkeys possess both of these qualities. These primates are mostly known for their bright red ...
The lar gibbon can be found living in sympatry with several other primates and apes, including orangutans (Pongo pygmaeus), siamangs (S. syndactylus), pileated gibbons (Hylobates pileatus), purple-faced langurs (Trachypithecus spp.), Thomas's langur (Presbytis thomasi), slow loris (Nycticebus coucang), and several macaques (Macaca spp.) [12] In ...