Eurillas gracilis
Silhouette: PhyloPic
In 3 days <5% in a week ~10%
The little grey greenbul (Eurillas gracilis) is a species of the bulbul family of passerine birds. It is widely distributed across the African tropical rainforest. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical swamps.
The little grey greenbul was originally described in the genus Andropadus and was re-classified to the genus Eurillas in 2010. Alternatively, some authorities classify the little greenbul in the genus Pycnonotus. Alternate names for the little grey greenbul include the grey greenbul and little grey bulbul.
Three subspecies are recognized. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Semuliki National Park | 🇺🇬 Uganda | |
| 2 | Bwindi Impenetrable National Park | 🇺🇬 Uganda | |
| 3 | Kibale National Park | 🇺🇬 Uganda |
Rare
Under 5% of wildlife watchers report a Gray Greenbul sighting in Kibale National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 281st most-seen of the 366 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Gray Greenbul in Kibale National Park on a given day, so our monthly data shows no clear season.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Gray Greenbul sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 3
Of the 3 parks where we can rate Gray Greenbul sightings, Kibale National Park ranks 3rd at under 5%. The best odds are in Semuliki National Park (Uganda, about 20%) and Bwindi Impenetrable National Park (Uganda, under 5%).
Same genus: Eurillas
The closest relatives of the Gray Greenbul that you can see in Kibale National Park (genus Eurillas, Small Greenbuls) are Little Greenbul (about 50%), Plain Greenbul (about 20%) and Yellow-whiskered Greenbul (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Gray Greenbul is recorded against all the birds logged in Kibale National Park (14 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.
