Wallace's Tarsier (Tarsius
With regards to size, Wallace's tarsier is similar in size to other lowland tarsiers found on
Sulawesi (Merker et al., 2010). The head and body lengths of this species average
12 centimeters (Merker et al., 2010). The pelage of this species is mostly mottled
yellowish brown in coloration with an off-white ventrum (Merker et al., 2010).
The throat is copper colored and above and below the eyes are yellow to copper-colored
patches that form a near complete eye ring (Merker et al., 2010). The tail is dark
with having a thick and long tail pencil (Merker et al., 2010). There is no sexual
dimorphism in terms of body size between the sexes (Merker et al.,
Wallace's tarsier is found on the island of Sulawesi, Indonesia (Merker et al.,
2010). There are two populations, a northern one that occurs on the isthmus of Palu west
of the village of Tomini to the villages of Ampibabo and Marantale to the south, and a
southern one that occurs west of Palu around the village of Uwemanje (Merker et
This species is a vertical
clinger and leaper.
duet call: This starts with a one-note introduction by the female, then the female
notes are a hook-shaped whistle that begins at 12-13 kHz and descends to 5 kHz in about
0.4 seconds (Merker et al., 2010). The female will emit two notes in rapid
succession with a time interval of 0.1 seconds (Merker et al., 2010). The male
notes are wideband chevron-shaped chirps (Merker et al., 2010).
Merker, S., Driller, C., Dahruddin, H., Wirdateti, Sinaga, W., Perwitasari-Farajallah, D.,
and Shekelle, M. 2010. Tarsius wallacei: A new tarsier species from Central
Sulawesi occupies a discontinuous range. International Journal of Primatology.
Vol. 31(6), 1107-1122.
Last Updated: January 6, 2011.
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