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Philippine tarsier (Carlito syrichta), one of the smallest primates. At a lower phylogenetic level, the tarsiers have, until recently, all been placed in the genus Tarsius, [1] while it was debated whether the species should be placed in two (a Sulawesi and a Philippine -western group) or three separate genera (Sulawesi, Philippine and western ...
Postorbital bar. The postorbital bar (or postorbital bone) is a bony arched structure that connects the frontal bone of the skull to the zygomatic arch, which runs laterally around the eye socket. It is a trait that only occurs in mammalian taxa, such as most strepsirrhine primates [ 1] and the hyrax, [ 2] while haplorhine primates have evolved ...
Pygmy tarsier. The pygmy tarsier (Tarsius pumilus), also known as the mountain tarsier or the lesser spectral tarsier, is a nocturnal primate found in central Sulawesi, Indonesia, in an area with lower vegetative species diversity than the lowland tropical forests. The pygmy tarsier was believed to have become extinct in the early 20th century.
Tarsiiformes / ˈtɑːrsi.ɪfɔːrmiːz / are a group of primates that once ranged across Europe, northern Africa, Asia, and North America, but whose extant species are all found in the islands of Southeast Asia. Tarsiers (family Tarsiidae) are the only living members of the infraorder; other members of Tarsiidae include the extinct Tarsius ...
Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers; and the simians, which include monkeys and apes. Primates arose 85–55 million years ago first from small terrestrial mammals, which adapted for life in tropical forests ...
Horsfield's tarsier. Horsfeld's tarsier ( Cephalopachus bancanus) is the only species of tarsier in the genus Cephalopachus. Named by American naturalist Thomas Horsfield, it is also referred to as western tarsier. The species occurs on Borneo, Sumatra and nearby islands and is, like other members of the group, entirely nocturnal.
The skeleton of a spectral tarsier, Tarsius spectrum. The spectral tarsier has a body weight of 200 grams, with a body length of 240 mm, a head body length of 80 mm, and a tail length of 160 mm. [7] When including Tarsius fuscus, females of the species weigh between 102 and 114 grams (3.6 and 4.0 oz) while males are 118 to 130 grams (4.2 to 4.6 oz).
The Jatna’s tarsier (Tarsius supriatnai), also known locally as Mimito, is a species of tarsier endemic to the northern Sulawesi, Gorontalo, Indonesia.Previously classified together with the Spectral tarsier, this species was reclassified and elevated as a separate species in 2017 due to their distinct and separate acoustic duet calls between males and females.