Pycnonotus plumosus
Silhouette: Andy Wilson · PhyloPic
In 3 days ~30% in a week ~60%
The olive-winged bulbul (Pycnonotus plumosus) is a member of the bulbul family of passerine birds. It is found in south-eastern Asia and the Greater Sunda Islands. Its natural habitat is subtropical or tropical moist lowland forests.
It eats fruit and insects. Until 2010, the ashy-fronted bulbul was also considered as a subspecies of the olive-winged bulbul. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 2 | Bako National Park | 🇲🇾 Malaysia | |
| 3 | Sepilok | 🇲🇾 Malaysia | |
| 4 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 5 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 6 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 7 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 8 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 9 | Khao Sok National Park | 🇹🇭 Thailand | |
| 10 | Khao Luang National Park | 🇹🇭 Thailand | |
| 11 | Kinabalu Park | 🇲🇾 Malaysia | |
| 12 | Kerinci Seblat National Park | 🇮🇩 Indonesia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Johor Bahru | 🇲🇾 Malaysia | |
| 2 | Singapore | 🇸🇬 Singapore | |
| 3 | Kuala Lumpur | 🇲🇾 Malaysia | |
| 4 | Kuching | 🇲🇾 Malaysia | |
| 5 | Jakarta | 🇮🇩 Indonesia |
With luck
About 10% of wildlife watchers report an Olive-winged Bulbul sighting in Gunung Leuser National Park on a given day, based on 41 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 56th most-seen of the 166 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
September
In that month about 30% of wildlife watchers report an Olive-winged Bulbul in Gunung Leuser National Park on a given day, against under 5% in March–April and October, the lowest months. That is one of Gunung Leuser National Park's wettest months, with about 700 mm of rain against 150 mm in February.
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.
5th of 12
Of the 12 parks where we can rate Olive-winged Bulbul sightings, Gunung Leuser National Park ranks 5th at about 10%. The best odds are in Tanjung Puting National Park (Indonesia, about 50%), Bako National Park (Malaysia, about 40%) and Sepilok (Malaysia, about 40%). All parks ranked.
Same genus: Pycnonotus
The closest relatives of the Olive-winged Bulbul that you can see in Gunung Leuser National Park (genus Pycnonotus, Typical 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.
GBIF citizen-science records
It is estimated from how often the Olive-winged Bulbul is recorded against all the birds logged in Gunung Leuser National Park (41 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.
