Rubigula erythropthalmos
Silhouette: PhyloPic
In 3 days ~10%
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 |
Rare
Under 5% of wildlife watchers report a Spectacled Bulbul sighting in Kinabatangan Wildlife Sanctuary on a given day, based on 43 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 145th most-seen of the 231 birds we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
January
In that month about 10% of wildlife watchers report a Spectacled Bulbul in Kinabatangan Wildlife Sanctuary on a given day, against under 5% in February to December, 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.
10th of 10
Of the 10 parks where we can rate Spectacled Bulbul sightings, Kinabatangan Wildlife Sanctuary ranks 10th at under 5%. The best odds are in Khao Luang National Park (Thailand, about 60%), Danum Valley Conservation Area (Malaysia, about 50%) and Taman Negara National Park (Malaysia, about 40%). All parks ranked.
Same family: Pycnonotidae
The closest relatives of the Spectacled Bulbul that you can see in Kinabatangan Wildlife Sanctuary (family Pycnonotidae, Bulbuls) are Yellow-vented Bulbul (about 20%), Red-eyed Bulbul (about 20%) and Straw-headed 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 Kinabatangan Wildlife Sanctuary (43 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.
