What are the chances of seeing a Yellow-bellied Bulbul in Gunung Leuser National Park?
Rare
Under 5% of wildlife watchers report a Yellow-bellied Bulbul sighting in Gunung Leuser National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 125th most-seen of the 166 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Yellow-bellied Bulbul in Gunung Leuser National Park?
April
In that month about 20% of wildlife watchers report a Yellow-bellied Bulbul in Gunung Leuser National Park on a given day, against under 5% in May to March, the lowest months.
What time of day is best to see a Yellow-bellied Bulbul?
Between 2 and 5 am
Across all the parks we cover, that three-hour window holds the most Yellow-bellied Bulbul sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Is Gunung Leuser National Park the best place to see a Yellow-bellied Bulbul?
6th of 9
Of the 9 parks where we can rate Yellow-bellied Bulbul sightings, Gunung Leuser National Park ranks 6th at under 5%. The best odds are in Danum Valley Conservation Area (Malaysia, about 40%), Taman Negara National Park (Malaysia, about 40%) and Way Kambas National Park (Indonesia, about 20%).
Which relatives of the Yellow-bellied Bulbul live in Gunung Leuser National Park?
Same family: Pycnonotidae
The closest relatives of the Yellow-bellied Bulbul that you can see in Gunung Leuser National Park (family Pycnonotidae, Bulbuls) are Yellow-vented Bulbul (about 50%), Sooty-headed Bulbul (about 30%) and Red-eyed Bulbul (about 30%), with each one's daily chance of a sighting.
Where does the Yellow-bellied Bulbul sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Yellow-bellied Bulbul is recorded against all the birds logged in Gunung Leuser National Park (12 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.