Orthotomus sericeus
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~40%
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 |
With luck
About 10% of wildlife watchers report a Rufous-tailed Tailorbird sighting in Tanjung Puting National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 58th most-seen of the 66 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
February, July and October
In those months about 10% of wildlife watchers report a Rufous-tailed Tailorbird in Tanjung Puting National Park on a given day, against under 5% in March, May–June, August–September and November–January, the lowest months. April has too few records to rate.
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.
9th of 10
Of the 10 parks where we can rate Rufous-tailed Tailorbird sightings, Tanjung Puting National Park ranks 9th at about 10%. 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.
GBIF citizen-science records
It is estimated from how often the Rufous-tailed Tailorbird is recorded against all the birds logged in Tanjung Puting National Park (14 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.
