Hairy-backed Bulbul
Hairy-backed BulbulHairy-backed BulbulHairy-backed BulbulHairy-backed Bulbul

Hairy-backed Bulbul

Tricholestes criniger

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

The hairy-backed bulbul (Tricholestes criniger) is a songbird species in the bulbul family, Pycnonotidae. It is the sole species contained within the monotypic genus Tricholestes. It is found on the Malay Peninsula, Sumatra, and Borneo. Its natural habitat is subtropical or tropical moist lowland forests. Wikipedia →

20–30% of wildlife watchers report a Hairy-backed Bulbul sighting in Khao Sok National Park, based on 158 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
Olive Bulbul
LC

Olive Bulbul

🌅 Crepuscular Bird

Iole viridescens

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

20–30
Jan
20–30
Feb
10–20
Mar
40–50
Apr
30–40
May
20–30
Jun
5–10
Jul
10–20
Aug
10–20
Sep
5–10
Oct
20–30
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 Danum Valley Conservation Area 🇲🇾 Malaysia
30–40%
3 Khao Sok National Park 🇹🇭 Thailand
20–30%
4 Way Kambas National Park 🇮🇩 Indonesia
20–30%
5 Kerinci Seblat National Park 🇮🇩 Indonesia
5–10%
6 Kinabalu Park 🇲🇾 Malaysia
5–10%
7 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
<5%

Quick answers

What are the chances of seeing a Hairy-backed Bulbul in Khao Sok National Park?

About 22% of wildlife watchers report a Hairy-backed Bulbul sighting in Khao Sok National Park, based on 158 days of visitor records from GBIF citizen-science data.

When is the best time to see Hairy-backed Bulbul in Khao Sok National Park?

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

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