Phyllastrephus cerviniventris
Silhouette: PhyloPic
In 3 days ~10% in a week ~30%
The grey-olive greenbul (Phyllastrephus cerviniventris), or grey-olive bulbul, is a species of songbird in the bulbul family, Pycnonotidae. It is found in eastern and south-central Africa. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and subtropical or tropical moist shrubland. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Meru National Park | 🇰🇪 Kenya | |
| 2 | Arusha National Park | 🇹🇿 Tanzania | |
| 3 | Mikumi National Park | 🇹🇿 Tanzania | |
| 4 | Kafue National Park | 🇿🇲 Zambia | |
| 5 | Lake Manyara National Park | 🇹🇿 Tanzania | |
| 6 | Ngorongoro Conservation Area | 🇹🇿 Tanzania | |
| 7 | Nairobi National Park | 🇰🇪 Kenya |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Nairobi | 🇰🇪 Kenya |
Rare
Under 5% of wildlife watchers report a Gray-olive Greenbul sighting in Mikumi National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 197th most-seen of the 261 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
July
In that month about 20% of wildlife watchers report a Gray-olive Greenbul in Mikumi National Park on a given day, against under 5% in August and October–June, the lowest months. That is one of Mikumi National Park's driest months, with about 25 mm of rain against 200 mm in April.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Gray-olive 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 7
Of the 7 parks where we can rate Gray-olive Greenbul sightings, Mikumi National Park ranks 3rd at under 5%. The best odds are in Meru National Park (Kenya, about 10%) and Arusha National Park (Tanzania, about 10%).
Same family: Pycnonotidae
The closest relatives of the Gray-olive Greenbul that you can see in Mikumi National Park (family Pycnonotidae, Bulbuls) are Common Bulbul (about 40%), Sombre Greenbul (about 10%) and Yellow-bellied Greenbul (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Gray-olive Greenbul is recorded against all the birds logged in Mikumi 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.
