Slender-billed Oriole

Slender-billed Oriole

Oriolus tenuirostris

Silhouette: L. Shyamal · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability <5% · Rare
at Kaeng Krachan National Park

In 3 days <5% in a week ~10%

41 Verified sightings at Kaeng Krachan National Park From 2019 to 2026
129 In all 3 parks
February Best month
🌅 Crepuscular When it's spotted

About the Slender-billed Oriole

The slender-billed oriole (Oriolus tenuirostris) is a species of bird in the family Oriolidae found from the eastern Himalayas to Southeast Asia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Wikipedia →

Sounds

Song0:38

Vietnam · 2013

© Patrik Åberg · XC126915 · CC BY-NC-SA 3.0

Call0:20

Vietnam · 2026

© Tim Dinh / Annambirding · XC1180256 · CC BY-NC-SA 4.0

Song1:21

Thailand · 2022

© Ding Li Yong · XC721013 · CC BY-NC-ND 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Doi Inthanon National Park 🇹🇭 Thailand
<5%
2 Kaeng Krachan National Park 🇹🇭 Thailand
<5%
3 Royal Manas National Park 🇧🇹 Bhutan
<5%

Before you go

What are the chances of seeing a Slender-billed Oriole in Kaeng Krachan National Park?

Rare

Under 5% of wildlife watchers report a Slender-billed Oriole sighting in Kaeng Krachan National Park on a given day, based on 41 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 277th most-seen of the 360 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.

When is the best time to see a Slender-billed Oriole in Kaeng Krachan National Park?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Slender-billed Oriole in Kaeng Krachan National Park on a given day, so our monthly data shows no clear season.

What time of day is best to see a Slender-billed Oriole?

Between 7 and 10 am

Across all the parks we cover, that three-hour window holds the most Slender-billed Oriole sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.

Is Kaeng Krachan National Park the best place to see a Slender-billed Oriole?

Among the best

Of the 3 parks where we can rate Slender-billed Oriole sightings, Kaeng Krachan National Park ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Doi Inthanon National Park (Thailand, under 5%).

Which relatives of the Slender-billed Oriole live in Kaeng Krachan National Park?

Same genus: Oriolus

The closest relatives of the Slender-billed Oriole that you can see in Kaeng Krachan National Park (genus Oriolus, Old World Orioles) are Black-naped Oriole (about 30%) and Black-hooded Oriole (about 10%), with each one's daily chance of a sighting.

Where does the Slender-billed Oriole sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Slender-billed Oriole is recorded against all the birds logged in Kaeng Krachan National Park (41 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.

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