Trichastoma rostratum
Silhouette: PhyloPic
In 3 days ~70% in a week >90%
The Malayan swamp babbler (Pellorneum rostratum), previously named the white-chested babbler, is a species of bird in the ground babbler family, Pellorneidae, that is found in the Malay Peninsula, Sumatra, the Riau Islands, the Lingga Islands and the island of Belitung. It was formerly considered to be conspecific with the Bornean swamp babbler (Pellorneum macropterum).
Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It is threatened by habitat loss. Collar, N. J. & Robson, C. 2007. Family Timaliidae (Babblers) pp. 70 – 291 in; del Hoyo, J., Elliott, A. & Christie, D.A. eds. Handbook of the Birds of the World, Vol. 12. Picathartes to Tits and Chickadees. Lynx Edicions, Barcelona. Wikipedia →
Recording0:08
Malaysia · 2025
© Tim · iNaturalist · CC BY 4.0
Recording0:36
Malaysia · 2011
© dbeadle · iNaturalist · CC BY-NC 4.0
Recording0:20
Thailand · 2023
© BioM_Akekachoke.B · iNaturalist · CC BY-NC 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tanjung Puting National Park | 🇮🇩 Indonesia | |
| 2 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 3 | Bako National Park | 🇲🇾 Malaysia | |
| 4 | Gunung Leuser National Park | 🇮🇩 Indonesia | |
| 5 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 6 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 7 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 8 | Sepilok | 🇲🇾 Malaysia | |
| 9 | Kinabalu Park | 🇲🇾 Malaysia |
Likely
About 40% of wildlife watchers report a White-chested Babbler sighting in Kinabatangan Wildlife Sanctuary on a given day, based on 837 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 30th most-seen of the 231 birds we can rate there. Over three days the chance rises to about 70%, and over a week to over 90%, if each day is a fresh chance.
March
In that month about 50% of wildlife watchers report a White-chested Babbler in Kinabatangan Wildlife Sanctuary on a given day, against about 20% in February, the lowest month.
Between midnight and 3 am
Across all the parks we cover, that three-hour window holds the most White-chested Babbler 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.
Among the best
Of the 9 parks where we can rate White-chested Babbler sightings, Kinabatangan Wildlife Sanctuary ranks 2nd at about 40%, level with the leaders once rounded. The best odds are in Tanjung Puting National Park (Indonesia, about 40%).
GBIF citizen-science records
It is estimated from how often the White-chested Babbler is recorded against all the birds logged in Kinabatangan Wildlife Sanctuary (837 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.
