Orthotomus sericeus
Silhouette: Sheatherius · PhyloPic
In 3 days ~60% in a week ~90%
The rufous-tailed tailorbird (Orthotomus sericeus) is a species of bird formerly placed in the "Old World warbler" assemblage, it but now placed in the family Cisticolidae. It is found in Brunei, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, and Thailand.
Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical mangrove forest. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Bako National Park | 🇲🇾 Malaysia | |
| 2 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 3 | Khao Luang National Park | 🇹🇭 Thailand | |
| 4 | Sepilok | 🇲🇾 Malaysia | |
| 5 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 6 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 7 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 8 | Kinabalu Park | 🇲🇾 Malaysia | |
| 9 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 10 | Gunung Leuser National Park | 🇮🇩 Indonesia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kuching | 🇲🇾 Malaysia | |
| 2 | Johor Bahru | 🇲🇾 Malaysia | |
| 3 | Singapore | 🇸🇬 Singapore | |
| 4 | Kuala Lumpur | 🇲🇾 Malaysia |
Possible
About 30% of wildlife watchers report a Rufous-tailed Tailorbird sighting in Sepilok on a given day, based on 702 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 43rd most-seen of the 242 birds we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
July
In that month about 40% of wildlife watchers report a Rufous-tailed Tailorbird in Sepilok on a given day, against about 20% in January–May, September and November, the lowest months.
Between 2 and 5 am
Across all the parks we cover, that three-hour window holds the most Rufous-tailed Tailorbird sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is most active around dawn and dusk.
4th of 10
Of the 10 parks where we can rate Rufous-tailed Tailorbird sightings, Sepilok ranks 4th at about 30%. The best odds are in Bako National Park (Malaysia, about 50%), Way Kambas National Park (Indonesia, about 40%) and Khao Luang National Park (Thailand, about 30%). All parks ranked.
Same genus: Orthotomus
The closest relatives of the Rufous-tailed Tailorbird that you can see in Sepilok (genus Orthotomus, Typical Tailorbirds) are Ashy Tailorbird (about 60%) and Dark-necked Tailorbird (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rufous-tailed Tailorbird is recorded against all the birds logged in Sepilok (702 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.
