Arachnothera crassirostris
Silhouette: Sheatherius · PhyloPic
In 3 days ~40% in a week ~70%
The thick-billed spiderhunter (Arachnothera crassirostris) is a species of bird in the family Nectariniidae. It is found in Brunei, Indonesia, Malaysia, Singapore, and Thailand. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sepilok | 🇲🇾 Malaysia | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia | |
| 3 | Taman Negara National Park | 🇲🇾 Malaysia | |
| 4 | Kinabalu Park | 🇲🇾 Malaysia |
Possible
About 20% of wildlife watchers report a Thick-billed Spiderhunter sighting in Sepilok on a given day, based on 405 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 81st most-seen of the 242 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
October and November
In those months about 30% of wildlife watchers report a Thick-billed Spiderhunter in Sepilok on a given day, against under 5% in February, the lowest month.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Thick-billed Spiderhunter sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 4 parks where we can rate Thick-billed Spiderhunter sightings, Sepilok has the highest daily chance: about 20%. Next come Danum Valley Conservation Area (Malaysia, about 10%) and Taman Negara National Park (Malaysia, under 5%).
Same genus: Arachnothera
The closest relatives of the Thick-billed Spiderhunter that you can see in Sepilok (genus Arachnothera, Typical Spiderhunters) are Little Spiderhunter (about 30%), Yellow-eared Spiderhunter (about 20%) and Spectacled Spiderhunter (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thick-billed Spiderhunter is recorded against all the birds logged in Sepilok (405 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.
