Slender-billed Greenbul
Slender-billed GreenbulSlender-billed GreenbulSlender-billed Greenbul

Slender-billed Greenbul

Stelgidillas gracilirostris

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Semuliki National Park
68 Verified records at Semuliki National Park
February Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The slender-billed greenbul (Stelgidillas gracilirostris) is a species in the monotypic genus Stelgidillas of the bulbul family of passerine birds. It is found in western and central Africa. Its natural habitats are subtropical or tropical dry forest, subtropical or tropical moist lowland forest, and subtropical or tropical moist montane forest. Wikipedia →

10–20% of wildlife watchers report a Slender-billed Greenbul sighting in Semuliki National Park, based on 68 days of visitor records from GBIF citizen-science data.

Closest Relatives at Semuliki National Park

Red-tailed Greenbul
LC

Red-tailed Greenbul

☀️ Diurnal Bird

Criniger calurus

60–70% · Likely
🐦 No photo available
LC

Xavier's Greenbul

☀️ Diurnal Bird

Phyllastrephus xavieri

60–70% · Likely
Common Bulbul
LC

Common Bulbul

☀️ Diurnal Bird

Pycnonotus barbatus

50–60% · Likely
Little Greenbul
LC

Little Greenbul

☀️ Diurnal Bird

Eurillas virens

50–60% · Likely
Common Bristlebill
LC

Common Bristlebill

☀️ Diurnal Bird

Bleda syndactylus

40–50% · Likely
Yellow-whiskered Greenbul
LC

Yellow-whiskered Greenbul

☀️ Diurnal Bird

Eurillas latirostris

20–30% · Possible
Toro Olive-Greenbul
LC

Toro Olive-Greenbul

Bird

Phyllastrephus hypochloris

20–30% · Possible
Joyful Greenbul
LC

Joyful Greenbul

☀️ Diurnal Bird

Chlorocichla laetissima

Insufficient data
Icterine Greenbul
LC

Icterine Greenbul

☀️ Diurnal Bird

Phyllastrephus icterinus

10–20% · With luck
Gray Greenbul
LC

Gray Greenbul

☀️ Diurnal Bird

Eurillas gracilis

10–20% · With luck
Swamp Greenbul
LC

Swamp Greenbul

Bird

Thescelocichla leucopleura

10–20% · With luck
Honeyguide Greenbul
LC

Honeyguide Greenbul

☀️ Diurnal Bird

Baeopogon indicator

10–20% · With luck

📅 Monthly Probability

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

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙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 Bwindi Impenetrable National Park 🇺🇬 Uganda
30–40%
2 Kibale National Park 🇺🇬 Uganda
30–40%
3 Semuliki National Park 🇺🇬 Uganda
10–20%
4 Virunga National Park 🇨🇩 Democratic Republic of the Congo
10–20%
5 Taï National Park 🇨🇮 Ivory Coast
10–20%
6 Nyungwe National Park 🇷🇼 Rwanda
10–20%
7 Aberdare National Park 🇰🇪 Kenya
<5%
8 Queen Elizabeth National Park 🇺🇬 Uganda
<5%
9 Masai Mara National Reserve 🇰🇪 Kenya
<5%
10 Lake Mburo National Park 🇺🇬 Uganda
Insufficient data
11 Volcanoes National Park 🇷🇼 Rwanda
Insufficient data

Quick answers

What are the chances of seeing a Slender-billed Greenbul in Semuliki National Park?

About 18% of wildlife watchers report a Slender-billed Greenbul sighting in Semuliki National Park, based on 68 days of visitor records from GBIF citizen-science data.

When is the best time to see Slender-billed Greenbul in Semuliki National Park?

February has the highest sighting rate for Slender-billed Greenbul in Semuliki National Park in our monthly data.

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