What are the chances of seeing an Olive-winged Bulbul in Sepilok?
Likely
About 40% of wildlife watchers report an Olive-winged Bulbul sighting in Sepilok on a given day, based on 1,042 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 20th most-seen of the 242 birds we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
When is the best time to see an Olive-winged Bulbul in Sepilok?
September
In that month about 50% of wildlife watchers report an Olive-winged Bulbul in Sepilok on a given day, against about 30% in November to April, the lowest months.
What time of day is best to see an Olive-winged Bulbul?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Olive-winged Bulbul sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Sepilok the best place to see an Olive-winged Bulbul?
3rd of 12
Of the 12 parks where we can rate Olive-winged Bulbul sightings, Sepilok ranks 3rd at about 40%. The best odds are in Tanjung Puting National Park (Indonesia, about 50%) and Bako National Park (Malaysia, about 40%). All parks ranked.
Which relatives of the Olive-winged Bulbul live in Sepilok?
Same genus: Pycnonotus
The closest relatives of the Olive-winged Bulbul that you can see in Sepilok (genus Pycnonotus, Typical Bulbuls) are Red-eyed Bulbul (about 50%), Yellow-vented Bulbul (about 50%) and Cream-vented Bulbul (about 20%), with each one's daily chance of a sighting.
Where does the Olive-winged Bulbul sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Olive-winged Bulbul is recorded against all the birds logged in Sepilok (1,042 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.