Southern Yellow-cheeked Gibbon

Southern Yellow-cheeked Gibbon

Nomascus gabriellae

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
70–80% · Likely
overall probability at Cat Tien National Park
172 Verified records at Cat Tien National Park
March Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The yellow-cheeked gibbon (Nomascus gabriellae), also called the golden-cheeked gibbon, the yellow-cheeked crested gibbon, the golden-cheeked crested gibbon, the red-cheeked gibbon, or the buffed-cheeked gibbon, is a species of gibbon native to Vietnam, Laos, and Cambodia. The species was discovered and named after the British naturalist Gabrielle Maud Vassal. The yellow-cheeked gibbon is born blond and later turns black. Males carry this colouring through their lifespan and have the distinguishing golden cheeks. Females are born blonde to blend into their mother's fur but they later turn black. Females turn back to blond at sexual maturity, keeping only a black cap on the top of their heads. Wikipedia →

70–80% of wildlife watchers report a Southern Yellow-cheeked Gibbon sighting in Cat Tien National Park, based on 172 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

70–80
Jan
70–80
Feb
80–90
Mar
70–80
Apr
60–70
May
50–60
Jun
70–80
Jul
50–60
Aug
30–40
Sep
70–80
Oct
60–70
Nov
70–80
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙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 Cat Tien National Park 🇻🇳 Vietnam
70–80%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Southern Yellow-cheeked Gibbon in Cat Tien National Park?

About 70% of wildlife watchers report a Southern Yellow-cheeked Gibbon sighting in Cat Tien National Park, based on 172 days of visitor records from GBIF citizen-science data.

When is the best time to see Southern Yellow-cheeked Gibbon in Cat Tien National Park?

March has the highest sighting rate for Southern Yellow-cheeked Gibbon in Cat Tien National Park in our monthly data.

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