Rubigula erythropthalmos
Silhouette: PhyloPic
In 3 days ~90% in a week >90%
The spectacled bulbul (Rubigula erythropthalmos), also known as the lesser brown bulbul, is a member of the bulbul family of passerine birds. It is found on the Malay Peninsula, Sumatra, and Borneo. The spectacled bulbul was originally described in the genus Ixos. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Luang National Park | 🇹🇭 Thailand | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 3 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 4 | Khao Sok National Park | 🇹🇭 Thailand | |
| 5 | Sepilok | 🇲🇾 Malaysia | |
| 6 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 7 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 8 | Kinabalu Park | 🇲🇾 Malaysia | |
| 9 | Kerinci Seblat National Park | 🇮🇩 Indonesia | |
| 10 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kuala Lumpur | 🇲🇾 Malaysia |
Likely
About 50% of wildlife watchers report a Spectacled Bulbul sighting in Danum Valley Conservation Area on a given day, based on 809 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 9th most-seen of the 258 birds we can rate there. Over three days the chance rises to about 90%, and over a week to over 90%, if each day is a fresh chance.
September–October and December
In those months about 60% of wildlife watchers report a Spectacled Bulbul in Danum Valley Conservation Area on a given day, against about 30% in January and November, the lowest months.
Between 2 and 5 am
Across all the parks we cover, that three-hour window holds the most Spectacled Bulbul sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
2nd of 10
Of the 10 parks where we can rate Spectacled Bulbul sightings, Danum Valley Conservation Area ranks 2nd at about 50%. The best odds are in Khao Luang National Park (Thailand, about 60%). All parks ranked.
Same genus: Rubigula
The closest relatives of the Spectacled Bulbul that you can see in Danum Valley Conservation Area (genus Rubigula, Rubigula Bulbuls) are Gray-bellied Bulbul (about 10%) and Scaly-breasted Bulbul (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Spectacled Bulbul is recorded against all the birds logged in Danum Valley Conservation Area (809 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.
