Cyornis caerulatus
Silhouette: L. Shyamal · PhyloPic
In 3 days ~20% in a week ~40%
The Sunda blue flycatcher (Cyornis caerulatus), also known as the large-billed blue-flycatcher, is a species of bird in the family Muscicapidae. It is found in Sumatra and Borneo. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Image at ADW Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Danum Valley Conservation Area | 🇲🇾 Malaysia |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Long-billed Blue-Flycatcher sighting in Danum Valley Conservation Area on a given day, based on 97 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 149th most-seen of the 258 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.
January, March, May–June and October
In those months about 10% of wildlife watchers report a Long-billed Blue-Flycatcher in Danum Valley Conservation Area on a given day, against under 5% in February, April, July–September and November–December, the lowest months.
Only Danum Valley Conservation Area, in our data
Danum Valley Conservation Area is the only park on Wallace's Line with enough records to rate Long-billed Blue-Flycatcher sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Cyornis
The closest relatives of the Long-billed Blue-Flycatcher that you can see in Danum Valley Conservation Area (genus Cyornis, Blue Flycatchers and Jungle Flycatchers) are Malaysian Blue-Flycatcher (about 20%) and Bornean Blue-Flycatcher (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Long-billed Blue-Flycatcher is recorded against all the birds logged in Danum Valley Conservation Area (97 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.
