Criniger calurus
Silhouette: PhyloPic
In 3 days <5%
The red-tailed greenbul (Criniger calurus), also known as the red-tailed bulbul, is a species of songbird in the bulbul family, Pycnonotidae, native to the African tropical rainforest. Alternate names for the red-tailed greenbul include the red-tailed bearded bulbul, red-tailed bulbul and thick-billed red-tailed greenbul.
Three subspecies are recognized. Found from Senegal to south-western Nigeria Image at ADW Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Semuliki National Park | 🇺🇬 Uganda | |
| 2 | Bwindi Impenetrable National Park | 🇺🇬 Uganda | |
| 3 | Taï National Park | 🇨🇮 Ivory Coast | |
| 4 | Kibale National Park | 🇺🇬 Uganda |
Rare
Under 5% of wildlife watchers report a Red-tailed Greenbul sighting in Kibale National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 307th most-seen of the 366 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Red-tailed 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 Red-tailed 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.
4th of 4
Of the 4 parks where we can rate Red-tailed Greenbul sightings, Kibale National Park ranks 4th at under 5%. The best odds are in Semuliki National Park (Uganda, about 60%), Bwindi Impenetrable National Park (Uganda, about 30%) and Taï National Park (Ivory Coast, about 10%).
Same family: Pycnonotidae
The closest relatives of the Red-tailed Greenbul that you can see in Kibale National Park (family Pycnonotidae, Bulbuls) are Common Bulbul (about 60%), Little Greenbul (about 50%) and Slender-billed Greenbul (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Red-tailed Greenbul is recorded against all the birds logged in Kibale National Park (11 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.
