Tarsius spectrum on the branch.
Sent by Dr. Ari from Manado in North Sulawesi, Indonesia.
Spectral tarsier or Selayar tarsier (Tarsius tarsier, also called Tarsius spectrum) is a species of tarsier found on the island of Selayar in Indonesia. It is apparently less specialized than the Philippine tarsier or Horsfield's tarsier; for example, it lacks adhesive toes. It is the type species for the genus Tarsius. While its range used to also include the population on nearby southwestern Sulawesi, this population has been reclassified as a separate species, Tarsius fuscus. Some of the earlier research published on Tarsius spectrum refers to the taxon that was recently reclassified and elevated to a separate species, the Gursky's spectral tarsier (Tarsius spectrumgurskyae).
"Tarsiers were once thought to be of the Strepsirrhini suborder, grouped with Lemuroidea and Lorisidae because of their similar appearance and because they have a small stature and are also nocturnal. It has been decided that tarsiers are members of the suborder haplorrhine, which is a suborder of primates that hosts tarsiers and the simians (Archuleta, 2019)." According to Gursky et al. 2003, based on phylogenic research, tarsiers are more closely related to monkeys and apes than lemurs and lorises. Some scholarly articles suggest dividing the genus into 3 and some references reflect this attempted revised taxonomy. "This taxonomic discrepancy is strongly supported by data collection of physiological attributes such as coat colors, tail lengths, and size as well as molecular data (Gursky et al. 2003)." (read more)
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