Horsfield's Tarsier
Horsfield's TarsierHorsfield's TarsierHorsfield's TarsierHorsfield's Tarsier

Horsfield's Tarsier

Cephalopachus bancanus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Kinabatangan Wildlife Sanctuary
26 Verified records at Kinabatangan Wildlife Sanctuary
February Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

Horsfield'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. Wikipedia →

20–30% of wildlife watchers report a Horsfield's Tarsier sighting in Kinabatangan Wildlife Sanctuary, based on 26 days of visitor records from GBIF citizen-science data.

Closest Relatives at Kinabatangan Wildlife Sanctuary

Proboscis Monkey
EN Endemic

Proboscis Monkey

🌅 Crepuscular Mammal

Nasalis larvatus

80–90% · Very likely
Crab-eating Macaque
EN Endemic

Crab-eating Macaque

🌅 Crepuscular Mammal

Macaca fascicularis

70–80% · Very likely
Silvered Leaf Monkey
VU

Silvered Leaf Monkey

🌅 Crepuscular Mammal

Trachypithecus cristatus

60–70% · Likely
Bornean Orangutan
CR Endemic

Bornean Orangutan

🌅 Crepuscular Mammal

Pongo pygmaeus

60–70% · Likely
Southern Pig-tailed Macaque
EN

Southern Pig-tailed Macaque

🌅 Crepuscular Mammal

Macaca nemestrina

60–70% · Likely
Maroon Leaf Monkey
VU Endemic

Maroon Leaf Monkey

🌅 Crepuscular Mammal

Presbytis rubicunda

30–40% · Possible
Philippine Slow Loris
VU

Philippine Slow Loris

☀️ Diurnal Mammal

Nycticebus menagensis

20–30% · With luck
North Bornean Gray Gibbon
EN

North Bornean Gray Gibbon

🌙 Nocturnal Mammal

Hylobates funereus

10–20% · With luck
Saban Grizzled Langur
EN

Saban Grizzled Langur

Mammal

Presbytis sabana

Insufficient data

📅 Monthly Probability

<5
Jan
30–40
Feb
10–20
Mar
10–20
Apr
10–20
May
20–30
Jun
20–30
Jul
20–30
Aug
20–30
Sep
10–20
Oct
<5
Nov
30–40
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Danum Valley Conservation Area 🇲🇾 Malaysia
30–40%
2 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
20–30%
3 Way Kambas National Park 🇮🇩 Indonesia
Insufficient data

Quick answers

What are the chances of seeing a Horsfield's Tarsier in Kinabatangan Wildlife Sanctuary?

About 21% of wildlife watchers report a Horsfield's Tarsier sighting in Kinabatangan Wildlife Sanctuary, based on 26 days of visitor records from GBIF citizen-science data.

When is the best time to see Horsfield's Tarsier in Kinabatangan Wildlife Sanctuary?

February has the highest sighting rate for Horsfield's Tarsier in Kinabatangan Wildlife Sanctuary in our monthly data.

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