Olive Bulbul

Olive Bulbul

Iole viridescens

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Khao Sok National Park
188 Verified records at Khao Sok National Park
April Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The olive bulbul (Iole viridescens) is a species of songbird in the bulbul family, Pycnonotidae. It is found from southern Myanmar to south-western Thailand and the Malay Peninsula. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Wikipedia →

20–30% of wildlife watchers report a Olive Bulbul sighting in Khao Sok National Park, based on 188 days of visitor records from GBIF citizen-science data.

Closest Relatives at Khao Sok National Park

Ochraceous Bulbul
LC

Ochraceous Bulbul

🌅 Crepuscular Bird

Alophoixus ochraceus

50–60% · Likely
Stripe-throated Bulbul
LC

Stripe-throated Bulbul

🌅 Crepuscular Bird

Pycnonotus finlaysoni

40–50% · Likely
Red-eyed Bulbul
LC

Red-eyed Bulbul

🌅 Crepuscular Bird

Pycnonotus brunneus

30–40% · Possible
Spectacled Bulbul

Spectacled Bulbul

🌅 Crepuscular Bird

Rubigula erythropthalmos

30–40% · Possible
🐦 No photo available
LC

Ayeyarwady Bulbul

🌅 Crepuscular Bird

Pycnonotus blanfordi

20–30% · Possible
Hairy-backed Bulbul
LC

Hairy-backed Bulbul

🌅 Crepuscular Bird

Tricholestes criniger

20–30% · Possible
Yellow-vented Bulbul
LC

Yellow-vented Bulbul

🌅 Crepuscular Bird

Pycnonotus goiavier

20–30% · With luck
Gray-bellied Bulbul

Gray-bellied Bulbul

🌅 Crepuscular Bird

Rubigula cyaniventris

10–20% · With luck
Streaked Bulbul
NT

Streaked Bulbul

☀️ Diurnal Bird

Ixos malaccensis

10–20% · With luck
Olive-winged Bulbul
LC

Olive-winged Bulbul

☀️ Diurnal Bird

Pycnonotus plumosus

5–10% · With luck
Red-whiskered Bulbul
LC

Red-whiskered Bulbul

☀️ Diurnal Bird

Pycnonotus jocosus

Insufficient data
Yellow-bellied Bulbul
LC

Yellow-bellied Bulbul

🌅 Crepuscular Bird

Alophoixus phaeocephalus

<5% · Rare

📅 Monthly Probability

30–40
Jan
10–20
Feb
30–40
Mar
30–40
Apr
30–40
May
30–40
Jun
5–10
Jul
20–30
Aug
10–20
Sep
<5
Oct
10–20
Nov
20–30
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Khao Luang National Park 🇹🇭 Thailand
30–40%
2 Kaeng Krachan National Park 🇹🇭 Thailand
30–40%
3 Khao Sok National Park 🇹🇭 Thailand
20–30%

Quick answers

What are the chances of seeing a Olive Bulbul in Khao Sok National Park?

About 26% of wildlife watchers report a Olive Bulbul sighting in Khao Sok National Park, based on 188 days of visitor records from GBIF citizen-science data.

When is the best time to see Olive Bulbul in Khao Sok National Park?

April has the highest sighting rate for Olive Bulbul in Khao Sok National Park in our monthly data.

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