The black-crested macaque
The black-crested macaque, or Celebes crested macaque (Macaca nigra), lives only in the northeastern tip of Sulawesi. It is entirely black, with a tall crest of hair on its head and amber eyes, and lives in large groups that spend much of the day on the forest floor.
The IUCN lists the species as Critically Endangered. Tangkoko is its most important stronghold: a survey published in the journal Oryx in 2012 estimated around 1,950 individuals in the reserve, after a steep decline in earlier decades. Hunting and habitat loss remain the main threats, which is why responsible, guided visits matter.
The spectral tarsier
Tarsiers are among the smallest primates in the world, small enough to sit in the palm of a hand, with enormous eyes. The species in Tangkoko is Gursky's spectral tarsier (Tarsius spectrumgurskyae), described by scientists in 2017 and found in North Sulawesi and Gorontalo.
They are nocturnal. By day they sleep in small family groups inside hollow trees, often strangler figs; around sunset they wake up, call to each other and start hunting insects. That short moment at dusk is when visitors usually see them.
Other wildlife in Tangkoko
Tangkoko's lowland rainforest is also home to hornbills, including the knobbed hornbill endemic to Sulawesi, several kingfishers, the bear cuscus and many reptiles and insects. Sightings depend on the season and on luck: no responsible guide can promise a specific animal.
How to visit Tangkoko
- Getting there: the reserve is near Bitung on the northeast coast, about two hours by road from Manado. Our tours include private transport from Manado, Tomohon or Bitung.
- With a guide: walks follow forest trails with a local wildlife guide who knows where the macaque groups and tarsier trees are.
- Best time of day: macaques are active from early morning; tarsiers at dusk. A two-day trip lets you do an afternoon walk and an early-morning walk.
- Difficulty: trails are mostly flat but can be muddy and humid.
Choose between the Tangkoko Wildlife Trip (one day) and the Tangkoko Wildlife Adventure (two days, two walks).
What to bring
- Comfortable trekking shoes
- Long pants against insects and plants
- Insect repellent
- A camera with a zoom lens
- A hat and water
How to behave around wildlife
- Keep the distance your guide indicates and never feed the animals.
- No flash on tarsiers: their eyes are extremely sensitive to light.
- Speak quietly and stay on the trails.
- Do not touch the macaques, even when they come close.
Visiting with a licensed local guide supports the people who protect the reserve and keeps the animals used to calm, respectful visitors.
FAQ
Where can I see black-crested macaques?
Tangkoko Batuangus Nature Reserve near Bitung, North Sulawesi, is the most reliable place to see wild black-crested macaques.
Are black-crested macaques endangered?
Yes. The IUCN lists Macaca nigra as Critically Endangered, mainly because of hunting and habitat loss.
When is the best time to see tarsiers in Tangkoko?
At dusk, when tarsiers leave their roost trees to hunt. Your guide takes you to a known tree before sunset.
Is a guide required in Tangkoko?
Visits are done with a local guide, which also helps you find the animals and keeps the visit respectful. A guide is included in our Tangkoko tours.
We organise private trips across Sulawesi from our base in Tomohon, near Manado: Bunaken, Tangkoko and the Minahasa highlands every week, Toraja and Banggai on request. These guides come from the questions our travellers ask us most.
